libvirt 1.1.2/1.1.3 util/virlog.c virLogParseOutputs access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in libvirt 1.1.2/1.1.3. It has been declared as critical. The impacted element is the function virLogParseOutputs of the file util/virlog.c. Executing a manipulation can lead to access control. This vulnerability is handled as CVE-2013-4400. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in libvirt 1.1.2/1.1.3 (Virtualization Software). It has been declared as critical. This vulnerability affects the function virLogParseOutputs of the file util/virlog.c. 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. CVE summarizes:

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 released 10/21/2013 as confirmed advisory (Secunia). The advisory is shared for download at secunia.com. The public release was coordinated with the vendor. This vulnerability was named CVE-2013-4400 since 06/12/2013. The attack needs to be approached locally. Required for exploitation is a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

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 and running in the context l.

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 Tenable (70841), SecurityFocus (BID 63324†), OSVDB (98939†) and Secunia (SA55210†). Entries connected to this vulnerability are available at VDB-10995, VDB-10997 and VDB-10999. Once again VulDB remains the best source for 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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 70841
Nessus Name: Fedora 20 : libvirt-1.1.3.1-1.fc20 (2013-20869)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 72567
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201412-04
OpenVAS File: 🔍
OpenVAS Family: 🔍

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 +130 days 🔍
10/21/2013 +0 days 🔍
10/21/2013 +0 days 🔍
10/24/2013 +3 days 🔍
10/28/2013 +4 days 🔍
11/12/2013 +15 days 🔍
12/09/2013 +27 days 🔍
06/01/2021 +2731 days 🔍

Sourcesinfo

Advisory: secunia.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4400 (🔍)
GCVE (CVE): GCVE-0-2013-4400
GCVE (VulDB): GCVE-100-10996
SecurityFocus: 63324
Secunia: 55210 - libvirt Privilege Escalation and Security Bypass Vulnerabilities, Less Critical
OSVDB: 98939

See also: 🔍

Entryinfo

Created: 10/28/2013 11:45
Updated: 06/01/2021 14:14
Changes: 10/28/2013 11:45 (72), 04/30/2019 21:06 (2), 06/01/2021 14:14 (4)
Complete: 🔍
Committer:
Cache ID: 216:38B:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!