VOIP: Digium Asterisk SIP SDP Header Parsing Stack Buffer Overflow

This signature detects attempts to exploit a known vulnerability in Digium Asterisk. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the targeted application.

Extended Description

Stack-based buffer overflow in res/res_format_attr_h264.c in Asterisk Open Source 11.x before 11.2.2 allows remote attackers to execute arbitrary code via a long sprop-parameter-sets H.264 media attribute in a SIP Session Description Protocol (SDP) header.

Affected Products

Asterisk open_source

References

CVE: CVE-2013-2685

Short Name
VOIP:SIP:SDP:HDR-BOF
Severity
Major
Recommended
False
Recommended Action
Drop
Category
VOIP
Keywords
Asterisk Buffer CVE-2013-2685 Digium Header Overflow Parsing SDP SIP Stack
Release Date
11/20/2013
Supported Platforms

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vsrx-19.2

srx-19.3

srx-branch-12.3

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx-12.3

vmx-19.3

srx-12.3

Sigpack Version
3375
False Positive
Unknown
Vendors

Asterisk

CVSS Score

7.5

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