CVE-2011-0284

(krb5kdc): Double-free flaw by handling error messages upon receiving certain AS_REQ's (MITKRB5-SA-2011-003)

Severity Score

7.6

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.

Doble Vulnerabilidad libre en la función prepare_error_as en do_as_req.c en el Key Distribution Center (KDC) en MIT Kerberos 5 (también conocido como krb5) v1.7 hasta v1.9, cuando la función PKINIT está habilitada, permite a atacantes remotos provocar una denegación de servicio (caída de demonio) o posiblemente ejecutar código arbitrario a través de un campo e_data contiene datos con tipo.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-01-03 CVE Reserved
2011-03-16 CVE Published
2023-09-17 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (25)

URL	Tag	Source
http://osvdb.org/71183	Vdb Entry
http://secunia.com/advisories/43700	Third Party Advisory
http://secunia.com/advisories/43760	Third Party Advisory
http://secunia.com/advisories/43881	Third Party Advisory
http://securitytracker.com/id?1025216	Vdb Entry
http://www.securityfocus.com/archive/1/517029/100/0/threaded	Mailing List
http://www.securityfocus.com/bid/46881	Vdb Entry
http://www.vupen.com/english/advisories/2011/0680	Vdb Entry
http://www.vupen.com/english/advisories/2011/0722	Vdb Entry
http://www.vupen.com/english/advisories/2011/0763	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/66101	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt	2020-01-21
http://www.kb.cert.org/vuls/id/943220	2020-01-21

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056413.html	2020-01-21
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056573.html	2020-01-21
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056579.html	2020-01-21
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html	2020-01-21
http://secunia.com/advisories/43783	2020-01-21
http://www.mandriva.com/security/advisories?name=MDVSA-2011:048	2020-01-21
http://www.redhat.com/support/errata/RHSA-2011-0356.html	2020-01-21
http://www.ubuntu.com/usn/USN-1088-1	2020-01-21
http://www.vupen.com/english/advisories/2011/0672	2020-01-21
http://www.vupen.com/english/advisories/2011/0673	2020-01-21
https://access.redhat.com/security/cve/CVE-2011-0284	2011-03-16
https://bugzilla.redhat.com/show_bug.cgi?id=674325	2011-03-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.7 Search vendor "Mit" for product "Kerberos 5" and version "1.7"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.7.1 Search vendor "Mit" for product "Kerberos 5" and version "1.7.1"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.8 Search vendor "Mit" for product "Kerberos 5" and version "1.8"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.8.1 Search vendor "Mit" for product "Kerberos 5" and version "1.8.1"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.8.2 Search vendor "Mit" for product "Kerberos 5" and version "1.8.2"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.8.3 Search vendor "Mit" for product "Kerberos 5" and version "1.8.3"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.9 Search vendor "Mit" for product "Kerberos 5" and version "1.9"		-		Affected