Resource management error in Xen

1) Resource management error

EUVDB-ID: #VU32736

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2012-4539

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to perform service disruption.

Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."

Mitigation

Install update from vendor's website.

Vulnerable software versions

Xen: 3.4.0 - 4.14.0

CPE2.3

• cpe:2.3:a:xen_project:xen:3.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:xen_project:xen:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:xen_project:xen:4.0.1:*:*:*:*:*:*:*

External links

https://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
https://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
https://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
https://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
https://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
https://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
https://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
https://lists.xen.org/archives/html/xen-announce/2012-11/msg00002.html
https://secunia.com/advisories/51200
https://secunia.com/advisories/51324
https://secunia.com/advisories/51352
https://secunia.com/advisories/51413
https://secunia.com/advisories/51468
https://secunia.com/advisories/55082
https://security.gentoo.org/glsa/glsa-201309-24.xml
https://www.debian.org/security/2012/dsa-2582
https://www.openwall.com/lists/oss-security/2012/11/13/4
https://www.osvdb.org/87305
https://www.securityfocus.com/bid/56498
https://www.securitytracker.com/id?1027763
https://exchange.xforce.ibmcloud.com/vulnerabilities/80026
https://security.gentoo.org/glsa/201604-03

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.