CVE-2011-4063
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote
02 Description
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote
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
- 2.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 83.4% 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
- 2011-10-21 10:00Z15 YR AGO
- Last updated
- 2024-08-06 23:53Z2 YR AGO
- Reserved
- 2011-10-15
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 95e5a6b90760786807aeef95f91c0c215a6ed4cba7df77a50709439baf4cc3b2
05 Affected products
06 References
- www.securitytracker.com1026191http://www.securitytracker.com/id?1026191
- securityreason.com8478http://securityreason.com/securityalert/8478
- secunia.com46420http://secunia.com/advisories/46420
- www.securityfocus.com20111017 AST-2011-012: Remote crash vulnerability in SIP channel driverhttp://www.securityfocus.com/archive/1/520141/100/0/threaded
- www.securityfocus.com50177http://www.securityfocus.com/bid/50177
- exchange.xforce.ibmcloud.comasterisk-sip-channel-driver-dos(70706)https://exchange.xforce.ibmcloud.com/vulnerabilities/70706
- downloads.digium.comhttp://downloads.digium.com/pub/security/AST-2011-012.html
07 Fixed in
Debian 14
- asterisk Fixed in 1:1.8.7.1~dfsg-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.