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

critical Nessus Plugin ID 102067
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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: Critical

ID: 102067

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

Version: 3.8

Type: local

Agent: unix

Published: 7/31/2017

Updated: 1/6/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

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

CVSS v3

Risk Factor: Critical

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: 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 Ease: No known exploits are available

Patch Publication Date: 7/28/2017

Vulnerability Publication Date: 1/18/2017

Reference Information

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