Denial of Service (DoS) Affecting asterisk package, versions [,1.8.4.3)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
7.31% (95th percentile)

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  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371530
  • published26 Jan 2022
  • disclosed6 Jul 2011
  • creditUnknown

Introduced: 6 Jul 2011

CVE-2011-2665  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade asterisk to version 1.8.4.3 or higher.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS) reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.

CVSS Base Scores

version 3.1