Debian DLA-2834-1 : uriparser - LTS security update

critical Nessus Plugin ID 155740

Synopsis

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

Description

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2834 advisory.

- URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a //[::44.1 address. (CVE-2018-20721)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the uriparser packages.

For Debian 9 stretch, this problem has been fixed in version 0.8.4-1+deb9u2.

See Also

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

https://www.debian.org/lts/security/2021/dla-2834

https://security-tracker.debian.org/tracker/CVE-2018-20721

https://packages.debian.org/source/stretch/uriparser

Plugin Details

Severity: Critical

ID: 155740

File Name: debian_DLA-2834.nasl

Version: 1.2

Type: local

Agent: unix

Published: 12/1/2021

Updated: 12/1/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2018-20721

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:9.0, p-cpe:/a:debian:debian_linux:liburiparser-dev, p-cpe:/a:debian:debian_linux:liburiparser1, p-cpe:/a:debian:debian_linux:liburiparser-doc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/30/2021

Vulnerability Publication Date: 1/16/2019

Reference Information

CVE: CVE-2018-20721