Debian DSA-4561-1 : fribidi - security update

high Nessus Plugin ID 130631

Synopsis

The remote Debian host is missing a security-related update.

Description

Alex Murray discovered a stack-based buffer overflow vulnerability in fribidi, an implementation of the Unicode Bidirectional Algorithm algorithm, which could result in denial of service or potentially the execution of arbitrary code, when processing a large number of unicode isolate directional characters.

Solution

Upgrade the fribidi packages.

For the stable distribution (buster), this problem has been fixed in version 1.0.5-3.1+deb10u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944327

https://security-tracker.debian.org/tracker/source-package/fribidi

https://packages.debian.org/source/buster/fribidi

https://www.debian.org/security/2019/dsa-4561

Plugin Details

Severity: High

ID: 130631

File Name: debian_DSA-4561.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/8/2019

Updated: 12/16/2019

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:fribidi, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/8/2019

Vulnerability Publication Date: 11/13/2019

Reference Information

CVE: CVE-2019-18397

DSA: 4561