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Rocky Linux 8 : varnish:6 (RLSA-2021:2988)

medium Nessus Plugin ID 184784

Synopsis

The remote Rocky Linux host is missing a security update.

Description

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:2988 advisory.

 - Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8. (CVE-2021-36740)

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

Solution

Update the affected packages.

See Also

https://errata.rockylinux.org/RLSA-2021:2988

https://bugzilla.redhat.com/show_bug.cgi?id=1982409

Plugin Details

Severity: Medium

ID: 184784

File Name: rocky_linux_RLSA-2021-2988.nasl

Version: 1.0

Type: local

Published: 11/6/2023

Updated: 11/6/2023

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2021-36740

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:varnish-modules-debugsource, p-cpe:/a:rocky:linux:varnish-modules, p-cpe:/a:rocky:linux:varnish-modules-debuginfo, p-cpe:/a:rocky:linux:varnish, p-cpe:/a:rocky:linux:varnish-devel, p-cpe:/a:rocky:linux:varnish-docs, cpe:/o:rocky:linux:8

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/2/2021

Vulnerability Publication Date: 7/14/2021

Reference Information

CVE: CVE-2021-36740