Debian DSA-4871-1 : tor - security update

high Nessus Plugin ID 147855

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Synopsis

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

Description

Two vulnerabilities were discovered in Tor, a connection-based low-latency anonymous communication system, which could lead to excessive CPU usage or cause a directory authority to crash.

Solution

Upgrade the tor packages.

For the stable distribution (buster), these problems have been fixed in version 0.3.5.14-1.

Plugin Details

Severity: High

ID: 147855

File Name: debian_DSA-4871.nasl

Version: 1.6

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/17/2021

Updated: 1/16/2024

Supported Sensors: Agentless Assessment, Continuous 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:N/I:N/A:P

CVSS Score Source: CVE-2021-28090

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:N/I:N/A:H

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

CVSS Score Source: CVE-2021-28089

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/16/2021

Vulnerability Publication Date: 3/19/2021

Reference Information

CVE: CVE-2021-28089, CVE-2021-28090

DSA: 4871

Detections

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