CVE-2011-2665
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP
02 Description
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.97% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-07-06 19:00Z15 YR AGO
- Last updated
- 2024-08-06 23:08Z2 YR AGO
- Reserved
- 2011-07-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 321908ba9ccd165e77f16bdfa53e2fb143f536720a2b856020d29136732d81cf
05 Affected products
06 References
- downloads.asterisk.orghttp://downloads.asterisk.org/pub/security/AST-2011-009.html
- secunia.com45239http://secunia.com/advisories/45239
- www.debian.orgDSA-2276http://www.debian.org/security/2011/dsa-2276
- lists.fedoraproject.orgFEDORA-2011-8914http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- downloads.asterisk.orghttp://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff
- secunia.com45048http://secunia.com/advisories/45048
- secunia.com45201http://secunia.com/advisories/45201
07 Fixed in
Debian 14
- asterisk Fixed in 1:1.8.4.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.