Use After Free Affecting asterisk package, versions <1:20.8.1~dfsg+~cs6.14.40431414-1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.17% (54th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-ASTERISK-6015870
  • published30 Nov 2023
  • disclosed6 Oct 2023

Introduced: 6 Oct 2023

CVE-2023-38703  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:unstable asterisk to version 1:20.8.1dfsg+cs6.14.40431414-1 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:unstable relevant fixed versions and status.

PJSIP is a free and open source multimedia communication library written in C with high level API in C, C++, Java, C#, and Python languages. SRTP is a higher level media transport which is stacked upon a lower level media transport such as UDP and ICE. Currently a higher level transport is not synchronized with its lower level transport that may introduce use-after-free issue. This vulnerability affects applications that have SRTP capability (PJMEDIA_HAS_SRTP is set) and use underlying media transport other than UDP. This vulnerability’s impact may range from unexpected application termination to control flow hijack/memory corruption. The patch is available as a commit in the master branch.

CVSS Scores

version 3.1