CVE-2013-5641 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Asterisk

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer5 documents5 sources

Severity

5.0MEDIUMNVD

EPSS

4.1%

top 11.40%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Digium Asterisk Debian Asterisk Digium Certified Asterisk

Timeline

PublishedSep 9

Latest updateMay 17

Description

The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.

CVSS vector

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

Affected Packages4 packages

▶NVDdigium/certified_asterisk1.8.15, 11.2.0+1

▶debiandebian/asterisk< asterisk 1:11.5.1~dfsg-1 (bullseye)

▶Debiandigium/asterisk< 1:11.5.1~dfsg-1

▶NVDdigium/asterisk20 versions+19

Patches

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

🔴Vulnerability Details

GHSA

GHSA-vx3m-32pc-pfvq: The SIP channel driver (channels/chan_sip↗2022-05-17

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OSV

CVE-2013-5641: The SIP channel driver (channels/chan_sip↗2013-09-09

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📋Vendor Advisories

Debian

CVE-2013-5641: asterisk - The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x th...↗2013

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💬Community

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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