Linux Xen Elf Parser 4.2.x ELF Parser libelf Remote Code Execution

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Xen Elf Parser 4.2.x. It has been declared as problematic. Affected by this vulnerability is an unknown functionality in the library libelf of the component ELF Parser. Executing a manipulation can lead to Remote Code Execution. The identification of this vulnerability is CVE-2013-2196. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Linux Xen Elf Parser 4.2.x (Virtualization Software). This vulnerability affects some unknown processing in the library libelf of the component ELF Parser. The manipulation with an unknown input leads to a remote code execution vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple unspecified vulnerabilities in 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 "other problems" that are not CVE-2013-2194 or CVE-2013-2195.

The weakness was shared 06/07/2013 as Xen Security Advisory 55 - Multiple vulnerabilities in libelf PV kernel handling as not defined mailinglist post (oss-sec). The advisory is shared for download at seclists.org. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2013-2196 since 02/19/2013. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, 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 vulnerability is also documented in the databases at Tenable (67290), SecurityFocus (BID 60703†), OSVDB (94077†), Secunia (SA53686†) and Vulnerability Center (SBV-40225†). The entries VDB-9248 and VDB-9249 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: 🔍

Timelineinfo

02/19/2013 🔍
06/07/2013 +108 days 🔍
06/07/2013 +0 days 🔍
06/11/2013 +4 days 🔍
06/11/2013 +0 days 🔍
06/30/2013 +19 days 🔍
08/23/2013 +54 days 🔍
05/14/2021 +2821 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Xen Security Advisory 55 - Multiple vulnerabilities in libelf PV kernel handling
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-2196 (🔍)
GCVE (CVE): GCVE-0-2013-2196
GCVE (VulDB): GCVE-100-9064

OVAL: 🔍

SecurityFocus: 60703
Secunia: 53686 - Xen libelf Multiple Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 94077
Vulnerability Center: 40225 - XenSource Xen and Citrix Xen Server Remote Privilege Escalation due to a Flaw in the ELF Parser (CVE-2013-2196), High

See also: 🔍

Entryinfo

Created: 06/11/2013 16:09
Updated: 05/14/2021 14:28
Changes: 06/11/2013 16:09 (47), 05/04/2017 09:05 (31), 05/14/2021 14:28 (3)
Complete: 🔍
Cache ID: 216::103

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