Linux Foundation Xen up to 4.2.2 Access Control 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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Foundation Xen up to 4.2.2. This affects an unknown part of the component Access Control Handler. The manipulation results in access control. This vulnerability is reported as CVE-2013-1919. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Foundation Xen up to 4.2.2 (Virtualization Software). Affected is some unknown functionality of the component Access Control Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability. CVE summarizes:

Xen 4.2.x and 4.1.x does not properly restrict access to IRQs, which allows local stub domain clients to gain access to IRQs and cause a denial of service via vectors related to "passed-through IRQs or PCI devices."

The weakness was disclosed 04/18/2013 as not defined mailinglist post (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2013-1919 since 02/19/2013. It is possible to launch the attack remotely. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 66028 (Debian DSA-2662-1 : xen - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370044 (Citrix XenServer Security Update (CTX137657)).

Applying the patch xsa46 is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (83645), Tenable (66028), SecurityFocus (BID 59292†), OSVDB (92563†) and Secunia (SA53031†). The entries VDB-8474, VDB-8599 and VDB-8600 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 66028
Nessus Name: Debian DSA-2662-1 : xen - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892662
OpenVAS Name: Debian Security Advisory DSA 2662-1 (xen - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: xsa46

Timelineinfo

02/19/2013 🔍
04/18/2013 +58 days 🔍
04/18/2013 +0 days 🔍
04/18/2013 +0 days 🔍
04/18/2013 +0 days 🔍
04/22/2013 +4 days 🔍
04/23/2013 +1 days 🔍
05/13/2013 +20 days 🔍
05/21/2013 +8 days 🔍
05/10/2021 +2911 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: openwall.com
Status: Not defined

CVE: CVE-2013-1919 (🔍)
GCVE (CVE): GCVE-0-2013-1919
GCVE (VulDB): GCVE-100-8472

OVAL: 🔍
IAVM: 🔍

X-Force: 83645
SecurityFocus: 59292 - Xen CVE-2013-1919 Multiple Denial of Service Vulnerabilities
Secunia: 53031 - Debian update for xen, Less Critical
OSVDB: 92563
Vulnerability Center: 39671 - Xen 4.2.x and 4.1.x IRQs Local DoS Vulnerability via Vectors Related to \, Low

See also: 🔍

Entryinfo

Created: 04/23/2013 10:51
Updated: 05/10/2021 08:13
Changes: 04/23/2013 10:51 (80), 04/30/2017 10:41 (4), 05/10/2021 08:13 (3)
Complete: 🔍
Committer: olku
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!