VDB-81458 · CVE-2015-8035 · HT206167

Apple Mac OS X up to 10.11.3 libxml2 resource management

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apple Mac OS X up to 10.11.3. It has been declared as critical. This vulnerability affects unknown code of the component libxml2. Such manipulation leads to resource management. This vulnerability is listed as CVE-2015-8035. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.3 (Operating System). It has been rated as critical. Affected by this issue is some unknown processing of the component libxml2. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.

The weakness was presented 03/21/2016 by Gustavo Grieco as HT206167 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2015-8035 since 11/01/2015. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 89484 (Fedora 23 : mingw-libxml2-2.9.3-1.fc23 (2016-189a7bf68c)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124725 (Fedora Security Update for mingw-libxml2 (FEDORA-2016-a9ee80b01d)).

Upgrading to version 10.11.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (89484) and SecurityFocus (BID 77390†). See VDB-79052, VDB-81428, VDB-81430 and VDB-81431 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Operating System

Vendor

Apple

Name

Mac OS X

Version

License

commercial

Support

end of life

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89484
Nessus Name: Fedora 23 : mingw-libxml2-2.9.3-1.fc23 (2016-189a7bf68c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-02 March-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Mac OS X 10.11.4

Timelineinfo

11/01/2015 🔍
11/01/2015 +0 days 🔍
11/17/2015 +16 days 🔍
03/03/2016 +107 days 🔍
03/21/2016 +17 days 🔍
03/21/2016 +0 days 🔍
03/23/2016 +2 days 🔍
07/11/2022 +2301 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206167
Researcher: Gustavo Grieco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8035 (🔍)
GCVE (CVE): GCVE-0-2015-8035
GCVE (VulDB): GCVE-100-81458

OVAL: 🔍

SecurityFocus: 77390 - Libxml2 'parser.c' Denial of Service Vulnerability
SecurityTracker: 1034243

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 03/23/2016 12:11
Updated: 07/11/2022 08:48
Changes: 03/23/2016 12:11 (51), 09/09/2018 11:26 (24), 07/11/2022 08:48 (3)
Complete: 🔍
Cache ID: 216::103

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