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CVE-2022-25309

Published: 22 February 2022

A heap-based buffer overflow flaw was found in the Fribidi package and affects the fribidi_cap_rtl_to_unicode() function of the fribidi-char-sets-cap-rtl.c file. This flaw allows an attacker to pass a specially crafted file to the Fribidi application with the '--caprtl' option, leading to a crash and causing a denial of service.

Notes

AuthorNote
rayveldkamp
For bionic affected function is in charset/fribidi-char-sets-cap-rtl.c

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
fribidi
Launchpad, Ubuntu, Debian
focal
Released (1.0.8-2ubuntu0.1)
impish
Released (1.0.8-2ubuntu2.1)
bionic
Released (0.19.7-2ubuntu0.1)
trusty Ignored
(end of standard support)
upstream
Released (v1.0.12)
xenial
Released (0.19.7-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
jammy
Released (1.0.8-2ubuntu3.1)
Patches:
upstream: https://github.com/fribidi/fribidi/commit/f22593b82b5d1668d1997dbccd10a9c31ffea3b3

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H