Debian DSA-4591-1 : cyrus-sasl2 - security update

high Nessus Plugin ID 132347

Synopsis

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

Description

Stephan Zeisberg reported an out-of-bounds write vulnerability in the
_sasl_add_string() function in cyrus-sasl2, a library implementing the Simple Authentication and Security Layer. A remote attacker can take advantage of this issue to cause denial-of-service conditions for applications using the library.

Solution

Upgrade the cyrus-sasl2 packages.

For the oldstable distribution (stretch), this problem has been fixed in version 2.1.27~101-g0780600+dfsg-3+deb9u1.

For the stable distribution (buster), this problem has been fixed in version 2.1.27+dfsg-1+deb10u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947043

https://security-tracker.debian.org/tracker/source-package/cyrus-sasl2

https://packages.debian.org/source/stretch/cyrus-sasl2

https://packages.debian.org/source/buster/cyrus-sasl2

https://www.debian.org/security/2019/dsa-4591

Plugin Details

Severity: High

ID: 132347

File Name: debian_DSA-4591.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/23/2019

Updated: 4/2/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-19906

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:cyrus-sasl2, cpe:/o:debian:debian_linux:10.0, cpe:/o:debian:debian_linux:9.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/20/2019

Vulnerability Publication Date: 12/19/2019

Reference Information

CVE: CVE-2019-19906

DSA: 4591