SUSE SLED12 / SLES12 Security Update : libical (SUSE-SU-2017:1989-1)

Medium Nessus Plugin ID 102067

Synopsis

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

Description

This update for libical fixes the following issues: Security issues fixed :

- CVE-2016-5824: libical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file. (bsc#986639)

- CVE-2016-5827: The icaltime_from_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted string to the icalparser_parse_string function.
(bsc#986631)

- CVE-2016-9584: libical allows remote attackers to cause a denial of service (use-after-free) and possibly read heap memory via a crafted ics file. (bsc#1015964) Bug fixes :

- libical crashes while parsing timezones (bsc#1044995)

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 YaST online_update.
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-SP3-2017-1230=1

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2017-1230=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-1230=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2017-1230=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-1230=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2017-1230=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-1230=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1015964

https://bugzilla.suse.com/show_bug.cgi?id=1044995

https://bugzilla.suse.com/show_bug.cgi?id=986631

https://bugzilla.suse.com/show_bug.cgi?id=986639

https://www.suse.com/security/cve/CVE-2016-5824/

https://www.suse.com/security/cve/CVE-2016-5827/

https://www.suse.com/security/cve/CVE-2016-9584/

http://www.nessus.org/u?daf7d91f

Plugin Details

Severity: Medium

ID: 102067

File Name: suse_SU-2017-1989-1.nasl

Version: 3.6

Type: local

Agent: unix

Published: 2017/07/31

Updated: 2018/11/30

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.4

Temporal Score: 4.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libical-debugsource, p-cpe:/a:novell:suse_linux:libical1, p-cpe:/a:novell:suse_linux:libical1-debuginfo, cpe:/o:novell:suse_linux:12

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/07/28

Reference Information

CVE: CVE-2016-5824, CVE-2016-5827, CVE-2016-9584