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Ubuntu 18.04 LTS : Apache HTTP Server vulnerabilities (USN-3627-2)

critical Nessus Plugin ID 109466

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Synopsis

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

Description

USN-3627-1 fixed vulnerabilities in Apache HTTP Server. This update provides the corresponding updates for Ubuntu 18.04 LTS.

Alex Nichols and Jakob Hirsch discovered that the Apache HTTP Server mod_authnz_ldap module incorrectly handled missing charset encoding headers. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2017-15710)

Elar Lang discovered that the Apache HTTP Server incorrectly handled certain characters specified in <FilesMatch>. A remote attacker could possibly use this issue to upload certain files, contrary to expectations. (CVE-2017-15715)

It was discovered that the Apache HTTP Server mod_session module incorrectly handled certain headers. A remote attacker could possibly use this issue to influence session data. (CVE-2018-1283)

Robert Swiecki discovered that the Apache HTTP Server incorrectly handled certain requests. A remote attacker could possibly use this issue to cause the server to crash, leading to a denial of service.
(CVE-2018-1301)

Robert Swiecki discovered that the Apache HTTP Server mod_cache_socache module incorrectly handled certain headers. A remote attacker could possibly use this issue to cause the server to crash, leading to a denial of service. (CVE-2018-1303)

Nicolas Daniels discovered that the Apache HTTP Server incorrectly generated the nonce when creating HTTP Digest authentication challenges. A remote attacker could possibly use this issue to replay HTTP requests across a cluster of servers. (CVE-2018-1312).

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

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-3627-2

Plugin Details

Severity: Critical

ID: 109466

File Name: ubuntu_USN-3627-2.nasl

Version: 1.10

Type: local

Agent: unix

Published: 5/1/2018

Updated: 10/20/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2018-1312

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:canonical:ubuntu_linux:apache2-bin, p-cpe:/a:canonical:ubuntu_linux:apache2-data, p-cpe:/a:canonical:ubuntu_linux:apache2-dev, p-cpe:/a:canonical:ubuntu_linux:apache2-ssl-dev, p-cpe:/a:canonical:ubuntu_linux:apache2-suexec-custom, p-cpe:/a:canonical:ubuntu_linux:apache2-suexec-pristine, p-cpe:/a:canonical:ubuntu_linux:apache2-utils, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:apache2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2018

Vulnerability Publication Date: 3/26/2018

Reference Information

CVE: CVE-2017-15710, CVE-2017-15715, CVE-2018-1283, CVE-2018-1301, CVE-2018-1303, CVE-2018-1312

USN: 3627-2