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Debian DSA-4807-1 : openssl - security update

medium Nessus Plugin ID 143593

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Synopsis

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

Description

David Benjamin discovered a flaw in the GENERAL_NAME_cmp() function which could cause a NULL dereference, resulting in denial of service.

Additional details can be found in the upstream advisory:
https://www.openssl.org/news/secadv/20201208.txt

Solution

Upgrade the openssl packages.

For the stable distribution (buster), this problem has been fixed in version 1.1.1d-0+deb10u4.

See Also

https://www.openssl.org/news/secadv/20201208.txt

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

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

https://www.debian.org/security/2020/dsa-4807

Plugin Details

Severity: Medium

ID: 143593

File Name: debian_DSA-4807.nasl

Version: 1.8

Type: local

Agent: unix

Published: 12/9/2020

Updated: 12/6/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2020-1971

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:openssl, 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: 12/8/2020

Vulnerability Publication Date: 12/8/2020

Reference Information

CVE: CVE-2020-1971

DSA: 4807

IAVA: 2020-A-0566-S