Out-of-Bounds Affecting asterisk package, versions [,1.8.15)[1.8.23.0,1.8.23.1)[11.0,11.2)[11.5.0,11.5.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
66% (99th percentile)

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  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371592
  • published26 Jan 2022
  • disclosed9 Sept 2013
  • creditUnknown

Introduced: 9 Sep 2013

CVE-2013-5641  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade asterisk to version 1.8.15, 1.8.23.1, 11.2, 11.5.1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds. 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.

References

CVSS Base Scores

version 3.1