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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…
Medium4.3EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://issues.asterisk.org/jira/browse/ASTERISK-19202 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20120120 CVE Request -- Asterisk AST-2012-001 / Remote DoS while processing crypto line for media stream with non-existing RTP (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20120120 Re: CVE Request -- Asterisk AST-2012-001 / Remote DoS while processing crypto line for media stream with non-existing RTP (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patch (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=783487 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://downloads.asterisk.org/pub/security/AST-2012-001.html (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .