VDB-10592 · OSVDB 98106 · GCVE-100-10592

libxml2 tree.c xmlDOMWrapCloneNode null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in libxml2. Affected is the function xmlDOMWrapCloneNode of the file tree.c. Such manipulation leads to null pointer dereference. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in libxml2 (Document Processing Software) (affected version unknown). It has been rated as critical. Affected by this issue is the function xmlDOMWrapCloneNode of the file tree.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, and integrity.

The weakness was disclosed 09/11/2013 by Gaurav Gupta with Samsung as Bug 707750 - NULL pointer dereferenced in tree.c as confirmed advisory (Website). The advisory is shared for download at bugzilla.gnome.org. The public release has been coordinated in cooperation with the vendor. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Applying the patch Fix a potential NULL dereference in tree code is able to eliminate this problem. The bugfix is ready for download at git.gnome.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (98106†). The entries VDB-10596, VDB-10595, VDB-10594 and VDB-10593 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

License

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: Fix a potential NULL dereference in tree code

Timelineinfo

09/11/2013 🔍
09/11/2013 +0 days 🔍
10/08/2013 +27 days 🔍
03/24/2019 +1993 days 🔍

Sourcesinfo

Advisory: Bug 707750 - NULL pointer dereferenced in tree.c
Researcher: Gaurav Gupta
Organization: Samsung
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10592
OSVDB: 98106

See also: 🔍

Entryinfo

Created: 10/08/2013 12:32
Updated: 03/24/2019 17:02
Changes: 10/08/2013 12:32 (47), 03/24/2019 17:02 (2)
Complete: 🔍
Committer:
Cache ID: 216:457:103

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