Vulnerability Details : CVE-2012-0885
chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SDP message with a crypto attribute and a (1) video or (2) text media type, as demonstrated by CSipSimple.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2012-0885
Probability of exploitation activity in the next 30 days: 0.57%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 77 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2012-0885
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
References for CVE-2012-0885
-
https://bugzilla.redhat.com/show_bug.cgi?id=783487
783487 – (AST-2012-001, CVE-2012-0885) CVE-2012-0885 asterisk: Remote DoS while processing crypto line for media stream with non-existing RTP
-
http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff
Patch
-
http://downloads.asterisk.org/pub/security/AST-2012-001.html
AST-2012-001Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2012/01/20/16
oss-security - CVE Request -- Asterisk AST-2012-001 / Remote DoS while processing crypto line for media stream with non-existing RTP
-
https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patch
Exploit
-
http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff
Patch
-
https://issues.asterisk.org/jira/browse/ASTERISK-19202
[ASTERISK-19202] CSipSimple (trunk) crushes Asterisk 1.8.8.1 (openSuse) - Digium/Asterisk JIRA
-
http://www.openwall.com/lists/oss-security/2012/01/20/18
oss-security - Re: CVE Request -- Asterisk AST-2012-001 / Remote DoS while processing crypto line for media stream with non-existing RTP
Products affected by CVE-2012-0885
- cpe:2.3:a:asterisk:open_source:10.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.2:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.8.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.8.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.8.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.8.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.3:rc3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.6.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.6.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4:rc3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.5:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.4:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.7.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.8.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:1.8.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:10.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:10.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:10.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:10.0.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:asterisk:open_source:10.0.0:beta1:*:*:*:*:*:*