Improper Input Validation Affecting asterisk package, versions <1:1.8.4.3-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
45.74% (98th percentile)

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  • Snyk IDSNYK-DEBIAN10-ASTERISK-428912
  • published6 Jul 2011
  • disclosed6 Jul 2011

Introduced: 6 Jul 2011

CVE-2011-2535  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:10 asterisk to version 1:1.8.4.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.

CVSS Scores

version 3.1