Debian DLA-1389-1 : apache2 security update

Medium Nessus Plugin ID 110250

Synopsis

The remote Debian host is missing a security update.

Description

Several vulnerabilities have been found in the Apache HTTPD server.

CVE-2017-15710

Alex Nichols and Jakob Hirsch reported that mod_authnz_ldap, if configured with AuthLDAPCharsetConfig, could cause an of bound write if supplied with a crafted Accept-Language header. This could potentially be used for a Denial of Service attack.

CVE-2018-1301

Robert Swiecki reported that a specially crafted request could have crashed the Apache HTTP Server, due to an out of bound access after a size limit is reached by reading the HTTP header. CVE-2018-1312

Nicolas Daniels discovered that when generating an HTTP Digest authentication challenge, the nonce sent by mod_auth_digest to prevent reply attacks was not correctly generated using a pseudo-random seed. In a cluster of servers using a common Digest authentication configuration, HTTP requests could be replayed across servers by an attacker without detection.

For Debian 7 'Wheezy', these problems have been fixed in version 2.2.22-13+deb7u13.

We recommend that you upgrade your apache2 packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2018/05/msg00020.html

https://packages.debian.org/source/wheezy/apache2

Plugin Details

Severity: Medium

ID: 110250

File Name: debian_DLA-1389.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2018/05/31

Updated: 2018/08/31

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

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

CVSS v3.0

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:apache2, p-cpe:/a:debian:debian_linux:apache2-dbg, p-cpe:/a:debian:debian_linux:apache2-doc, p-cpe:/a:debian:debian_linux:apache2-mpm-event, p-cpe:/a:debian:debian_linux:apache2-mpm-itk, p-cpe:/a:debian:debian_linux:apache2-mpm-prefork, p-cpe:/a:debian:debian_linux:apache2-mpm-worker, p-cpe:/a:debian:debian_linux:apache2-prefork-dev, p-cpe:/a:debian:debian_linux:apache2-suexec, p-cpe:/a:debian:debian_linux:apache2-suexec-custom, p-cpe:/a:debian:debian_linux:apache2-threaded-dev, p-cpe:/a:debian:debian_linux:apache2-utils, p-cpe:/a:debian:debian_linux:apache2.2-bin, p-cpe:/a:debian:debian_linux:apache2.2-common, cpe:/o:debian:debian_linux:7.0

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

Patch Publication Date: 2018/05/30

Reference Information

CVE: CVE-2017-15710, CVE-2018-1301, CVE-2018-1312