CVE-2011-1147
Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before
02 Description
Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before
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
- 3.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.7% 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
- 2011-03-15 17:00Z15 YR AGO
- Last updated
- 2024-08-06 22:14Z2 YR AGO
- Reserved
- 2011-03-03
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 65f7cb6b9846917bd3f929423e560eebea717018da85a5fc17539d19fb558ba1
05 Affected products
06 References
- secunia.com43702http://secunia.com/advisories/43702
- www.securityfocus.com46474http://www.securityfocus.com/bid/46474
- www.debian.orgDSA-2225http://www.debian.org/security/2011/dsa-2225
- secunia.com43429http://secunia.com/advisories/43429
- lists.fedoraproject.orgFEDORA-2011-2438http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html
- www.vupen.comADV-2011-0635http://www.vupen.com/english/advisories/2011/0635
- www.openwall.com[oss-security] 20110311 CVE Request -- Asterisk AST-2011-002 / Multiple array overflow and crash vulnerabilities in UDPTL codehttp://www.openwall.com/lists/oss-security/2011/03/11/2
- lists.fedoraproject.orgFEDORA-2011-2360http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html
- lists.fedoraproject.orgFEDORA-2011-2558http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html
- www.securitytracker.com1025101http://www.securitytracker.com/id?1025101
- www.openwall.com[oss-security] 20110311 Re: CVE Request -- Asterisk AST-2011-002 / Multiple array overflow and crash vulnerabilities in UDPTL codehttp://www.openwall.com/lists/oss-security/2011/03/11/8
- downloads.asterisk.orghttp://downloads.asterisk.org/pub/security/AST-2011-002.html
07 Fixed in
Debian 14
- asterisk Fixed in 1:1.8.3.3-1
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.