CVE-2013-5642 — Improper Input Validation in Asterisk

CWE-20 — Improper Input Validation6 documents6 sources
Severity
5.0MEDIUMNVD
EPSS
5.1%
top 10.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Digium AsteriskDigium Asterisk DigiumphonesDigium Certified Asterisk
Timeline
PublishedSep 9
Latest updateMay 17

Description

The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP requ…

CVSS vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages3 packages

▶NVDdigium/certified_asterisk1.8.15, 11.2.0+1
▶NVDdigium/asterisk25 versions+24

Patches

Patch: downloads.asterisk.org ↗Patch: downloads.asterisk.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-mj2h-m66w-4g7r: The SIP channel driver (channels/chan_sip↗2022-05-17
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CVEList
CVE-2013-5642: The SIP channel driver (channels/chan_sip↗2013-09-09
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OSV
CVE-2013-5642: The SIP channel driver (channels/chan_sip↗2013-09-09
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📋Vendor Advisories

1
Debian
CVE-2013-5642: asterisk - The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x befor...↗2013
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💬Community

1
Bugzilla
CVE-2013-5641 CVE-2013-5642 asterisk: two denial of service flaws in the SIP channel driver (AST-2013-004, AST-2013-005)↗2013-08-28
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