Linux Foundation Xen Elf Parser User Input Sanitizer libelf numeric error
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.0 | $0-$5k | 0.00 |
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 vulnerability database at Tenable (67290). The entries 9064 and 9248 are related to this item.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.4VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Numeric errorCWE: CWE-189
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: xenbits.xen.org
Timeline
02/19/2013 🔍06/07/2013 🔍
06/07/2013 🔍
06/07/2013 🔍
06/11/2013 🔍
06/25/2013 🔍
06/30/2013 🔍
08/23/2013 🔍
05/17/2021 🔍
Sources
Vendor: linuxfoundation.orgAdvisory: seclists.org
Status: Not defined
Confirmation: 🔍
CVE: CVE-2013-2195 (🔍)
OVAL: 🔍
Vulnerability Center: 40224 - XenSource Xen and Citrix Xen Server Remote Privilege Escalation due to a Flaw in the ELF Parser (CVE-2013-2195), High
SecurityFocus: 60701
Secunia: 53686 - Xen libelf Multiple Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 94443
See also: 🔍
Entry
Created: 06/25/2013 12:02Updated: 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: 🔍
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