Home/CVE/Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in ma
CVE

CVE-2011-1147

Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in ma

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 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4.

Business Edition C.x.x before C.3.6.3.

AsteriskNOW 1.5.

and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.

MEDIUM · CVSS 6.8 EPSS 0.0342
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
digium asteriskall versions
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Published to NVD15 Mar 2011 · 05:55 PM
🔗

References & Sources

12
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://downloads.asterisk.org/pub/security/AST-2011-002.htmlVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.htmlPatch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.htmlPatch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.htmlPatch
http://secunia.com/advisories/43429Vendor Advisory
http://secunia.com/advisories/43702Vendor Advisory
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