SUSE SLED12: apache2 / apache2-devel / apache2-doc / apache2-example-pages / etc (SUSE-SU-2021:2006-1)

critical Nessus Plugin ID 150877

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2006-1 advisory.

- fixed CVE-2021-30641 [bsc#1187174]: MergeSlashes regression
- fixed CVE-2021-31618 [bsc#1186924]: NULL pointer dereference on specially crafted HTTP/2 request
- fixed CVE-2020-35452 [bsc#1186922]: Single zero byte stack overflow in mod_auth_digest
- fixed CVE-2021-26690 [bsc#1186923]: mod_session NULL pointer dereference in parser
- fixed CVE-2021-26691 [bsc#1187017]: Heap overflow in mod_session

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 150877

File Name: suse_SU-2021-2006-1.nasl

Version: 1.8

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 6/21/2021

Updated: 6/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, tenable_cloud_security, tenable_self_hosted_container_security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-26691

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:apache2-worker, p-cpe:/a:novell:suse_linux:apache2, p-cpe:/a:novell:suse_linux:apache2-devel, p-cpe:/a:novell:suse_linux:apache2-example-pages, p-cpe:/a:novell:suse_linux:apache2-doc, p-cpe:/a:novell:suse_linux:apache2-utils, p-cpe:/a:novell:suse_linux:apache2-prefork, 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: 6/17/2021

Vulnerability Publication Date: 6/1/2021

Reference Information

CVE: CVE-2020-35452, CVE-2021-26690, CVE-2021-26691, CVE-2021-30641, CVE-2021-31618

IAVA: 2021-A-0259-S

SuSE: SUSE-SU-2021:2006-1

Detections

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