CVE-2017-9287

openldap: Double free vulnerability in servers/slapd/back-mdb/search.c

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

servers/slapd/back-mdb/search.c in OpenLDAP through 2.4.44 is prone to a double free vulnerability. A user with access to search the directory can crash slapd by issuing a search including the Paged Results control with a page size of 0.

servers/slapd/back-mdb/search.c en OpenLDAP hasta la versión 2.4.44 es propenso a una doble vulnerabilidad de liberación de memoria. Un usuario con acceso para buscar en el directorio puede hacer que slapd deje de funcionar al emitir una búsqueda que incluya el control Paged Results con un tamaño de página de 0.

A double-free flaw was found in the way OpenLDAP's slapd server using the MDB backend handled LDAP searches. A remote attacker with access to search the directory could potentially use this flaw to crash slapd by issuing a specially crafted LDAP search query.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-05-29 CVE Reserved
2017-05-29 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2024-11-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-415: Double Free
CWE-416: Use After Free

CAPEC

References (10)

URL	Tag	Source
http://www.securityfocus.com/bid/98736	Broken Link
http://www.securitytracker.com/id/1038591	Broken Link
https://kc.mcafee.com/corporate/index?page=content&id=SB10365	Third Party Advisory

URL	Date	SRC
http://www.openldap.org/its/?findid=8655	2024-08-05

URL	Date	SRC
https://bugs.debian.org/863563	2022-06-13
https://www.oracle.com/security-alerts/cpuapr2022.html	2022-06-13

URL	Date	SRC
http://www.debian.org/security/2017/dsa-3868	2022-06-13
https://access.redhat.com/errata/RHSA-2017:1852	2022-06-13
https://access.redhat.com/security/cve/CVE-2017-9287	2017-08-01
https://bugzilla.redhat.com/show_bug.cgi?id=1456712	2017-08-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openldap Search vendor "Openldap"		Openldap Search vendor "Openldap" for product "Openldap"				<= 2.4.44 Search vendor "Openldap" for product "Openldap" and version " <= 2.4.44"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.5 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected
Mcafee Search vendor "Mcafee"		Policy Auditor Search vendor "Mcafee" for product "Policy Auditor"				< 6.5.1 Search vendor "Mcafee" for product "Policy Auditor" and version " < 6.5.1"		-		Affected
Oracle Search vendor "Oracle"		Blockchain Platform Search vendor "Oracle" for product "Blockchain Platform"				< 21.1.2 Search vendor "Oracle" for product "Blockchain Platform" and version " < 21.1.2"		-		Affected