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CVE-2011-2216
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows…
Medium5.0EPSS 4.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.3% 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 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (9)
- 20110602 AST-2011-007 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 44828 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2011-8983 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2011-8319 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 1025598 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://downloads.digium.com/pub/security/AST-2011-007.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 72752 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 48096 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- asterisk-parseurifull-dos(67812) (opens in a new tab)vdb-entryx_refsource_XFx_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 .