VDB-8159 · OSVDB 91933 · GCVE-100-8159

libxml2 2.7.8 Parameter Parsing denial of service

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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in libxml2 2.7.8. This affects an unknown function of the component Parameter Parsing. The manipulation leads to denial of service. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in libxml2 2.7.8 (Document Processing Software) and classified as problematic. This issue affects an unknown code of the component Parameter Parsing. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was shared 04/17/2012 by Alexander Klink and Julian Wälde as not defined advisory (Website). It is possible to read the advisory at nruns.com. The vendor was not involved in the public release. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.gnome.org.

The vulnerability is also documented in the vulnerability database at OSVDB (91933†). bugzilla.gnome.org is providing further details. The entries VDB-4661, VDB-4807, VDB-8303 and VDB-10334 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Document Processing Software

Name

libxml2

Version

2.7.8

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.gnome.org

Timelineinfo

04/17/2012 🔍
04/08/2013 +356 days 🔍
08/28/2017 +1603 days 🔍

Sourcesinfo

Advisory: nruns.com
Researcher: Alexander Klink, Julian Wälde
Status: Not defined
Confirmation: 🔍

GCVE (VulDB): GCVE-100-8159
OSVDB: 91933

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/08/2013 10:05
Updated: 08/28/2017 09:19
Changes: 04/08/2013 10:05 (44), 08/28/2017 09:19 (2)
Complete: 🔍
Cache ID: 216::103