Debian DSA-5025-1 : tang - security update

high Nessus Plugin ID 156188

Synopsis

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

Description

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dsa-5025 advisory.

- A flaw exists in tang, a network-based cryptographic binding server, which could result in leak of private keys. (CVE-2021-4076)

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 tang packages.

For the stable distribution (bullseye), this problem has been fixed in version 8-3+deb11u1.

See Also

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

https://www.debian.org/security/2021/dsa-5025

https://security-tracker.debian.org/tracker/CVE-2021-4076

https://packages.debian.org/source/bullseye/tang

Plugin Details

Severity: High

ID: 156188

File Name: debian_DSA-5025.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/19/2021

Updated: 3/14/2022

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-4076

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:tang, cpe:/o:debian:debian_linux:11.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/19/2021

Vulnerability Publication Date: 12/19/2021

Reference Information

CVE: CVE-2021-4076