SUSE SLED12 / SLES12 Security Update : apache2 (SUSE-SU-2021:2918-1)

high Nessus Plugin ID 153022

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED12 / SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:2918-1 advisory.

- A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.
(CVE-2021-33193)

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://bugzilla.suse.com/1189387

http://www.nessus.org/u?cc5ccfbd

https://www.suse.com/security/cve/CVE-2021-33193

Plugin Details

Severity: High

ID: 153022

File Name: suse_SU-2021-2918-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/4/2021

Updated: 1/26/2022

Supported Sensors: Nessus Agent

Risk Information

CVSS Score Source: CVE-2021-33193

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C

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:H/A:N

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:apache2, p-cpe:/a:novell:suse_linux:apache2-devel, p-cpe:/a:novell:suse_linux:apache2-doc, p-cpe:/a:novell:suse_linux:apache2-example-pages, p-cpe:/a:novell:suse_linux:apache2-prefork, p-cpe:/a:novell:suse_linux:apache2-utils, p-cpe:/a:novell:suse_linux:apache2-worker, cpe:/o:novell:suse_linux:12

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/2/2021

Vulnerability Publication Date: 8/16/2021

Reference Information

CVE: CVE-2021-33193

SuSE: SUSE-SU-2021:2918-1

IAVA: 2021-A-0440-S