Linux Foundation Xen Elf Parser User Input Sanitizer libelf numeric error

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Foundation Xen Elf Parser. This impacts an unknown function in the library libelf of the component User Input Sanitizer. Performing a manipulation results in numeric error. This vulnerability is cataloged as CVE-2013-2195. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Linux Foundation Xen Elf Parser (Virtualization Software) (affected version not known). It has been classified as critical. This affects some unknown functionality in the library libelf of the component User Input Sanitizer. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Elf parser (libelf) in Xen 4.2.x and earlier allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel, related to "pointer dereferences" involving unexpected calculations.

The weakness was shared 06/07/2013 as not defined mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2013-2195 since 02/19/2013. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 67290 (Fedora 19 : xen-4.2.2-7.fc19 (2013-10908)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370043 (Citrix XenServer Security Update (CTX138058)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at xenbits.xen.org.

The vulnerability is also documented in the databases at Tenable (67290), SecurityFocus (BID 60701†), OSVDB (94443†), Secunia (SA53686†) and Vulnerability Center (SBV-40224†). The entries VDB-9064 and VDB-9248 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67290
Nessus Name: Fedora 19 : xen-4.2.2-7.fc19 (2013-10908)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 866023
OpenVAS Name: Fedora Update for xen FEDORA-2013-10929
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: xenbits.xen.org

Timelineinfo

02/19/2013 🔍
06/07/2013 +107 days 🔍
06/07/2013 +0 days 🔍
06/07/2013 +0 days 🔍
06/11/2013 +4 days 🔍
06/25/2013 +14 days 🔍
06/30/2013 +5 days 🔍
08/23/2013 +54 days 🔍
05/17/2021 +2824 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: seclists.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-2195 (🔍)
GCVE (CVE): GCVE-0-2013-2195
GCVE (VulDB): GCVE-100-9249

OVAL: 🔍

SecurityFocus: 60701
Secunia: 53686 - Xen libelf Multiple Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 94443
Vulnerability Center: 40224 - XenSource Xen and Citrix Xen Server Remote Privilege Escalation due to a Flaw in the ELF Parser (CVE-2013-2195), High

See also: 🔍

Entryinfo

Created: 06/25/2013 12:02
Updated: 05/17/2021 10:43
Changes: 06/25/2013 12:02 (44), 05/04/2017 09:05 (32), 05/17/2021 10:37 (4), 05/17/2021 10:43 (1)
Complete: 🔍
Committer:
Cache ID: 216:629:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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