CVE-2009-1893

dhcp: insecure temporary file use in the dhcpd init script

Severity Score

6.9

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows local users to overwrite arbitrary files via a symlink attack on an unspecified temporary file, related to the "dhcpd -t" command.

La función configtest en la secuencia de comandos de inicio del DHCPD en Red Hat para DHCP 3.0.1 en Red Hat Enterprise Linux (RHEL) 3 permite a usuarios locales sobrescribir ficheros de su elección a través de un ataque de enlace simbólico sobre un fichero temporal no especificado, relativo al comando "dhcpd -t".

*Credits: N/A

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-06-02 CVE Reserved
2009-07-17 CVE Published
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-59: Improper Link Resolution Before File Access ('Link Following')
CWE-377: Insecure Temporary File

CAPEC

References (9)

URL	Tag	Source
http://securitytracker.com/id?1022554	Vdb Entry
http://www.securityfocus.com/bid/35670	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/51718	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11597	Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6440	Signature

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://secunia.com/advisories/35831	2023-02-13
http://www.redhat.com/support/errata/RHSA-2009-1154.html	2023-02-13
https://bugzilla.redhat.com/show_bug.cgi?id=510024	2009-07-14
https://access.redhat.com/security/cve/CVE-2009-1893	2009-07-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc1	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc10	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc11	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc12	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc13	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc14	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc2	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc5	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc6	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc7	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc8	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	-	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc9	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc1	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc10	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc11	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc12	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc13	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc14	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc2	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc5	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc6	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc7	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc8	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	as	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc9	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc1	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc10	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc11	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc12	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc13	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc14	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc2	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc5	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc6	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc7	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc8	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	es	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc9	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc1	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc10	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc11	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc12	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc13	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc14	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc2	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc5	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc6	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc7	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc8	Affected
Redhat Search vendor "Redhat"	Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"	3.0 Search vendor "Redhat" for product "Enterprise Linux" and version "3.0"	ws	Affected	in	Isc Search vendor "Isc"	Dhcp Search vendor "Isc" for product "Dhcp"	3.0.1 Search vendor "Isc" for product "Dhcp" and version "3.0.1"	rc9	Affected