CVE-2009-2651
main/rtp.c in Asterisk Open Source 1.6.1 before 1.6.1.2 allows remote attackers to cause a denial of service (crash) via an RTP text frame without a certain delimiter, which triggers a NULL pointer
02 Description
main/rtp.c in Asterisk Open Source 1.6.1 before 1.6.1.2 allows remote attackers to cause a denial of service (crash) via an RTP text frame without a certain delimiter, which triggers a NULL pointer
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
- 2.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.5% 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
- Important. Red Hat's rating for its own products, not a CVSS rating.
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
- 2009-07-30 19:08Z17 YR AGO
- Last updated
- 2024-08-07 05:59Z2 YR AGO
- Reserved
- 2009-07-30
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- c6fac5a4651e22b436cfdb6aed3068cd44bf68ab7168e5d3592a6a3a65626a75
05 Affected products
06 References
- www.securitytracker.com1022608http://www.securitytracker.com/id?1022608
- osvdb.org56571http://osvdb.org/56571
- downloads.digium.comhttp://downloads.digium.com/pub/security/AST-2009-004-1.6.1.diff.txt
- exchange.xforce.ibmcloud.comasterisk-rtp-dos(52046)https://exchange.xforce.ibmcloud.com/vulnerabilities/52046
- downloads.asterisk.orghttp://downloads.asterisk.org/pub/security/AST-2009-004.html
- www.securityfocus.com35837http://www.securityfocus.com/bid/35837
- secunia.com36039http://secunia.com/advisories/36039
- www.vupen.comADV-2009-2067http://www.vupen.com/english/advisories/2009/2067
07 Fixed in
Debian 14
- asterisk Fixed in 1:1.6.2.0~dfsg~rc1-1
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.