CVE-2011-2529

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.

Published Bycve@mitre.org

Published DateJul 06, 2011, 19:55

Weakness Type (CWE):CWE-119

CVSS Metrics

Base Score

Vector String

AV:N/AC:L/Au:N/C:N/I:N/A:P

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

PARTIAL

References

http://downloads.asterisk.org/pub/security/AST-2011-008.diff
http://downloads.asterisk.org/pub/security/AST-2011-008.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
http://secunia.com/advisories/45048
http://secunia.com/advisories/45201
http://secunia.com/advisories/45239
http://securitytracker.com/id?1025706
http://www.debian.org/security/2011/dsa-2276
http://www.osvdb.org/73307
http://www.securityfocus.com/bid/48431
https://exchange.xforce.ibmcloud.com/vulnerabilities/68203

Weakness Type (CWE):CWE-119

CVSS Metrics

Base Score

Vector String

AV:N/AC:L/Au:N/C:N/I:N/A:P

Base Severity

Version

2.0

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

NONE

Integrity (I)

NONE

Availability (A)

PARTIAL