SUSE SLED12 / SLES12 Security Update : cups (SUSE-SU-2018:2162-1)

Low Nessus Plugin ID 111508

Synopsis

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

Description

This update for cups fixes the following issues: The following security vulnerabilities were fixed :

- CVE-2017-18248: Handle invalid characters properly in printing jobs. This fixes a problem that was causing the DBUS library to abort the calling process. (bsc#1061066 bsc#1087018)

- Fixed a local privilege escalation to root and sandbox bypasses in the scheduler

- CVE-2018-4180: Fixed a local privilege escalation to root in dnssd backend (bsc#1096405)

- CVE-2018-4181: Limited local file reads as root via cupsd.conf include directive (bsc#1096406)

- CVE-2018-4182: Fixed a sandbox bypass due to insecure error handling (bsc#1096407)

- CVE-2018-4183: Fixed a sandbox bypass due to profile misconfiguration (bsc#1096408) The following other issue was fixed :

- Fixed authorization check for clients (like samba) connected through the local socket when Kerberos authentication is enabled (bsc#1050082)

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

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-1471=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1471=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-1471=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1050082

https://bugzilla.suse.com/show_bug.cgi?id=1061066

https://bugzilla.suse.com/show_bug.cgi?id=1087018

https://bugzilla.suse.com/show_bug.cgi?id=1096405

https://bugzilla.suse.com/show_bug.cgi?id=1096406

https://bugzilla.suse.com/show_bug.cgi?id=1096407

https://bugzilla.suse.com/show_bug.cgi?id=1096408

https://www.suse.com/security/cve/CVE-2017-18248/

https://www.suse.com/security/cve/CVE-2018-4180/

https://www.suse.com/security/cve/CVE-2018-4181/

https://www.suse.com/security/cve/CVE-2018-4182/

https://www.suse.com/security/cve/CVE-2018-4183/

http://www.nessus.org/u?55781780

Plugin Details

Severity: Low

ID: 111508

File Name: suse_SU-2018-2162-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2018/08/02

Modified: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: Low

CVSS v2.0

Base Score: 3.5

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

CVSS v3.0

Base Score: 5.3

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:cups, p-cpe:/a:novell:suse_linux:cups-client, p-cpe:/a:novell:suse_linux:cups-client-debuginfo, p-cpe:/a:novell:suse_linux:cups-debuginfo, p-cpe:/a:novell:suse_linux:cups-debugsource, p-cpe:/a:novell:suse_linux:cups-libs, p-cpe:/a:novell:suse_linux:cups-libs-debuginfo, cpe:/o:novell:suse_linux:12

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

Patch Publication Date: 2018/08/01

Reference Information

CVE: CVE-2017-18248, CVE-2018-4180, CVE-2018-4181, CVE-2018-4182, CVE-2018-4183