SUSE SLES11 Security Update : Xen (SUSE-SU-2015:0940-1) (Venom)
high Nessus Plugin ID 83856
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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/
Plugin Details
Severity: High
ID: 83856
File Name: suse_SU-2015-0940-1.nasl
Version: 2.13
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 5/27/2015
Updated: 1/19/2021
Dependencies: ssh_get_info.nasl
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
CVSS v2
Risk Factor: High
Base Score: 7.7
Temporal Score: 6.4
Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C
Temporal Vector: 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: 5/26/2015
Vulnerability Publication Date: 4/28/2015
Exploitable With
Core Impact
Reference Information
CVE: CVE-2015-3340, CVE-2015-3456