VDB-10596 · OSVDB 98110 · GCVE-100-10596

libxml2 Socket nanohttp.c xmlNanoHTTPConnectAttempt memory leak

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in libxml2. This vulnerability affects the function xmlNanoHTTPConnectAttempt of the file nanohttp.c of the component Socket Handler. The manipulation results in memory leak. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in libxml2 (Document Processing Software) (unknown version). Affected is the function xmlNanoHTTPConnectAttempt of the file nanohttp.c of the component Socket Handler. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability.

The weakness was released 09/30/2013 by Gaurav Gupta with Samsung as Bug 705188 - Leaked Resource in nanohttp.c as confirmed advisory (Website). The advisory is shared for download at bugzilla.gnome.org. The public release was coordinated with the vendor. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

Applying the patch run close socket on Solaris/same as we do on other platforms 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 (98110†). Entries connected to this vulnerability are available at VDB-10597, VDB-10595, VDB-10594 and VDB-10593. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Memory leak
CWE: CWE-401 / 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: run close socket on Solaris/same as we do on other platforms

Timelineinfo

09/30/2013 🔍
09/30/2013 +0 days 🔍
10/08/2013 +8 days 🔍
03/24/2019 +1993 days 🔍

Sourcesinfo

Advisory: Bug 705188 - Leaked Resource in nanohttp.c
Researcher: Gaurav Gupta
Organization: Samsung
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10596
OSVDB: 98110

See also: 🔍

Entryinfo

Created: 10/08/2013 12:53
Updated: 03/24/2019 17:47
Changes: 10/08/2013 12:53 (47), 03/24/2019 17:47 (2)
Complete: 🔍
Committer:
Cache ID: 216:15C:103

Once again VulDB remains the best source for vulnerability data.

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