SUSE SLES11 Security Update : Xen (SUSE-SU-2015:0940-1) (Venom)

High Nessus Plugin ID 83856

Synopsis

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

Description

Xen was updated to fix two security issues :

CVE-2015-3456: A buffer overflow in the floppy drive emulation, which could be used to carry out denial of service attacks or potential code execution against the host. This vulnerability is also known as VENOM.

CVE-2015-3340: An information leak through XEN_DOMCTL_gettscinfo().
(XSA-132)

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 Server 11 SP1 LTSS :

zypper in -t patch slessp1-xen=10684

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=927967

https://bugzilla.suse.com/show_bug.cgi?id=929339

http://www.nessus.org/u?f7ed16c6

https://www.suse.com/security/cve/CVE-2015-3340/

https://www.suse.com/security/cve/CVE-2015-3456/

http://www.nessus.org/u?78ddef52

Plugin Details

Severity: High

ID: 83856

File Name: suse_SU-2015-0940-1.nasl

Version: 2.11

Type: local

Agent: unix

Published: 2015/05/27

Updated: 2019/09/11

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.7

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-doc-html, p-cpe:/a:novell:suse_linux:xen-doc-pdf, p-cpe:/a:novell:suse_linux:xen-kmp-default, p-cpe:/a:novell:suse_linux:xen-kmp-pae, p-cpe:/a:novell:suse_linux:xen-kmp-trace, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-domU, cpe:/o:novell:suse_linux:11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2015/05/26

Vulnerability Publication Date: 2015/04/28

Exploitable With

Core Impact

Reference Information

CVE: CVE-2015-3340, CVE-2015-3456

BID: 74248, 74640