CVE-2011-0495
Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition
02 Description
Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition
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
- 4.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.5% 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
- 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
- 2011-01-20 18:00Z15 YR AGO
- Last updated
- 2024-08-06 21:58Z2 YR AGO
- Reserved
- 2011-01-19
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 8710c4fcf915f13ef6278300cef18e3af180dfdac6169ec96b91bbf567d8ed25
05 Affected products
06 References
- www.vupen.comADV-2011-0159http://www.vupen.com/english/advisories/2011/0159
- lists.fedoraproject.orgFEDORA-2011-0794http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053713.html
- downloads.asterisk.orghttp://downloads.asterisk.org/pub/security/AST-2011-001.html
- secunia.com43373http://secunia.com/advisories/43373
- www.vupen.comADV-2011-0449http://www.vupen.com/english/advisories/2011/0449
- osvdb.org70518http://osvdb.org/70518
- www.securityfocus.com45839http://www.securityfocus.com/bid/45839
- www.vupen.comADV-2011-0281http://www.vupen.com/english/advisories/2011/0281
- lists.fedoraproject.orgFEDORA-2011-0774http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.html
- www.debian.orgDSA-2171http://www.debian.org/security/2011/dsa-2171
- secunia.com43119http://secunia.com/advisories/43119
- exchange.xforce.ibmcloud.comasterisk-asturiencode-bo(64831)https://exchange.xforce.ibmcloud.com/vulnerabilities/64831
- downloads.asterisk.orghttp://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff
- www.securityfocus.com20110118 AST-2011-001: Stack buffer overflow in SIP channel driverhttp://www.securityfocus.com/archive/1/515781/100/0/threaded
- secunia.com42935http://secunia.com/advisories/42935
07 Fixed in
Debian 14
- asterisk Fixed in 1:1.6.2.9-2+squeeze1
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.