libvirt 1.1.2/1.1.3 libvirt.so virt-login-shell access control

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in libvirt 1.1.2/1.1.3. Affected is the function virt-login-shell of the file libvirt.so. This manipulation causes access control. The identification of this vulnerability is CVE-2013-4400. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in libvirt 1.1.2/1.1.3 (Virtualization Software). Affected by this vulnerability is the function virt-login-shell of the file libvirt.so. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

virt-login-shell in libvirt 1.1.2 through 1.1.3 allows local users to overwrite arbitrary files and possibly gain privileges via unspecified environment variables or command-line arguments.

The weakness was shared 10/21/2013 by Sebastian Krahmer with SuSE Security Team as confirmed advisory (Secunia). It is possible to read the advisory at secunia.com. The vendor cooperated in the coordination of the public release. This vulnerability is known as CVE-2013-4400 since 06/12/2013. Attacking locally is a requirement. A single authentication is required for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 70841 (Fedora 20 : libvirt-1.1.3.1-1.fc20 (2013-20869)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at secunia.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (88270), Tenable (70841), SecurityFocus (BID 63324†), OSVDB (98943†) and Secunia (SA55210†). The entries VDB-10995, VDB-10996 and VDB-10997 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: 70841
Nessus Name: Fedora 20 : libvirt-1.1.3.1-1.fc20 (2013-20869)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: secunia.com

Timelineinfo

06/12/2013 🔍
10/21/2013 +131 days 🔍
10/21/2013 +0 days 🔍
10/21/2013 +0 days 🔍
10/28/2013 +7 days 🔍
11/12/2013 +15 days 🔍
11/28/2013 +16 days 🔍
12/09/2013 +11 days 🔍
06/01/2021 +2731 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: Sebastian Krahmer
Organization: SuSE Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4400 (🔍)
GCVE (CVE): GCVE-0-2013-4400
GCVE (VulDB): GCVE-100-10999
X-Force: 88270
SecurityFocus: 63324
Secunia: 55210 - libvirt Privilege Escalation and Security Bypass Vulnerabilities, Less Critical
OSVDB: 98943
Vulnerability Center: 42398 - Libvirt 1.1.2 Local File System Overwrite due to a Problem in the virt-login-shell, High

See also: 🔍

Entryinfo

Created: 10/28/2013 11:52
Updated: 06/01/2021 14:23
Changes: 10/28/2013 11:52 (75), 05/15/2017 14:50 (1), 06/01/2021 14:23 (3)
Complete: 🔍
Committer:
Cache ID: 216:2B3:103

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