CVE-2011-1147 - CVE House
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Status published Medium CVE-2011-1147

Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type...

Vulnerability 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 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

asterisk, asterisknow, s800i
Vulnerable Versions:
1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.10, 1.4.10.1, 1.4.11, 1.4.12, 1.4.12.1, 1.4.13, 1.4.14, 1.4.15, 1.4.16, 1.4.16.1, 1.4.16.2, 1.4.17, 1.4.18, 1.4.19, 1.4.19.1, 1.4.19.2, 1.4.20, 1.4.20.1, 1.4.21, 1.4.21.1, 1.4.21.2, 1.4.22, 1.4.22.1, 1.4.22.2, 1.4.23, 1.4.23.1, 1.4.23.2, 1.4.24, 1.4.24.1, 1.4.25, 1.4.25.1, 1.4.26, 1.4.26.1, 1.4.26.2, 1.4.26.3, 1.4.27, 1.4.27.1, 1.4.28, 1.4.29, 1.4.29.1, 1.4.30, 1.4.31, 1.4.32, 1.4.33, 1.4.33.1, 1.4.34, 1.4.35, 1.4.36, 1.4.37, 1.4.38, 1.4.39, 1.4.39.1, 1.6.2.0, 1.6.2.1, 1.6.2.2, 1.6.2.3, 1.6.2.4, 1.6.2.5, 1.6.2.6, 1.6.2.15, 1.6.2.16, 1.6.2.16.1, 1.8.0, 1.8.1, 1.8.1.1, 1.8.1.2, 1.8.2, 1.8.2.1, 1.8.2.2, 1.8.2.3, c.1.0, c.1.6, c.1.6.1, c.1.6.2, c.1.8.0, c.1.8.1, c.2.3, c.3.0, c.3.1.0, c.3.1.1, c.3.2.2, c.3.2.3, c.3.3.2, c.3.6.2, 1.6.1.0, 1.6.1.1, 1.6.1.2, 1.6.1.3, 1.6.1.4, 1.6.1.5, 1.6.1.6, 1.6.1.7, 1.6.1.8, 1.6.1.9, 1.6.1.10, 1.6.1.11, 1.6.1.12, 1.6.1.13, 1.6.1.14, 1.6.1.15, 1.6.1.16, 1.6.1.17, 1.6.1.18, 1.6.1.19, 1.6.1.20, 1.6.1.21, 1.5

Timeline

Official Publish: March 15th, 2011
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.