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RHEL 7 : cups-filters (RHSA-2015:2360)

high Nessus Plugin ID 86984

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated cups-filters packages that fix two security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The cups-filters packages contain back ends, filters, and other software that was once part of the core Common UNIX Printing System (CUPS) distribution but is now maintained independently.

A heap-based buffer overflow flaw and an integer overflow flaw leading to a heap-based buffer overflow were discovered in the way the texttopdf utility of cups-filter processed print jobs with a specially crafted line size. An attacker able to submit print jobs could use these flaws to crash texttopdf or, possibly, execute arbitrary code with the privileges of the 'lp' user. (CVE-2015-3258, CVE-2015-3279)

The CVE-2015-3258 issue was discovered by Petr Sklenar of Red Hat.

Notably, this update also fixes the following bug :

* Previously, when polling CUPS printers from a CUPS server, when a printer name contained an underscore (_), the client displayed the name containing a hyphen (-) instead. This made the print queue unavailable. With this update, CUPS allows the underscore character in printer names, and printers appear as shown on the CUPS server as expected. (BZ#1167408)

In addition, this update adds the following enhancement :

* Now, the information from local and remote CUPS servers is cached during each poll, and the CUPS server load is reduced. (BZ#1191691)

All cups-filters users are advised to upgrade to these updated packages, which contain backported patches to correct these issues and add this enhancement.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2015:2360

https://access.redhat.com/security/cve/cve-2015-3258

https://access.redhat.com/security/cve/cve-2015-3279

Plugin Details

Severity: High

ID: 86984

File Name: redhat-RHSA-2015-2360.nasl

Version: 2.11

Type: local

Agent: unix

Published: 11/20/2015

Updated: 10/24/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:cups-filters, p-cpe:/a:redhat:enterprise_linux:cups-filters-debuginfo, p-cpe:/a:redhat:enterprise_linux:cups-filters-devel, p-cpe:/a:redhat:enterprise_linux:cups-filters-libs, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.2, cpe:/o:redhat:enterprise_linux:7.3, cpe:/o:redhat:enterprise_linux:7.4, cpe:/o:redhat:enterprise_linux:7.5, cpe:/o:redhat:enterprise_linux:7.6, cpe:/o:redhat:enterprise_linux:7.7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/19/2015

Vulnerability Publication Date: 7/14/2015

Reference Information

CVE: CVE-2015-3258, CVE-2015-3279

RHSA: 2015:2360