CVE-2011-2529 - CVE House
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Status published Medium CVE-2011-2529

chan_sip.c in the SIP channel driver in Asterisk Open Source...

Vulnerability Description

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted 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.

Affected Vendor

Affected Software

asterisk
Vulnerable Versions:
1.6.0, 1.6.0.1, 1.6.0.2, 1.6.0.3, 1.6.0.4, 1.6.0.5, 1.6.0.6, 1.6.0.7, 1.6.0.8, 1.6.0.9, 1.6.0.10, 1.6.0.11, 1.6.0.12, 1.6.0.13, 1.6.0.14, 1.6.0.15, 1.6.0.16, 1.6.0.17, 1.6.0.18, 1.6.0.19, 1.6.0.20, 1.6.0.21, 1.6.0.22, 1.6.0.23, 1.6.0.24, 1.6.0.25, 1.6.0.26, 1.6.1, 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, 1.6.1.22, 1.6.1.23, 1.6.1.24, 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, 1.6.2.16.2, 1.6.2.17, 1.6.2.17.1, 1.6.2.17.2, 1.6.2.17.3, 1.6.2.18, 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, 1.8.2.4, 1.8.3, 1.8.3.1, 1.8.3.2, 1.8.3.3, 1.8.4, 1.8.4.1, 1.8.4.2

Timeline

Official Publish: July 6th, 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.