Apple iOS/Mac OS X libxml2 memory corruption

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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS and Mac OS X. It has been declared as critical. This issue affects some unknown processing of the component libxml2. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2015-7116. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple iOS and Mac OS X (Smartphone Operating System) (version now known). This vulnerability affects some unknown processing of the component libxml2. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

libxml2 in Apple iOS before 9.2, OS X before 10.11.2, and tvOS before 9.1 allows remote attackers to obtain sensitive information or cause a denial of service (memory corruption) via a crafted XML document, a different vulnerability than CVE-2015-7115.

The weakness was presented 01/10/2016 (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2015-7116 since 09/16/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 87314 (Mac OS X 10.11.x < 10.11.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124389 (Apple Mac OS X v10.11.2 and Security Update 2015-008 Not Installed (APPLE-SA-2015-12-08-3)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (87314), SecurityFocus (BID 49124†) and Vulnerability Center (SBV-55607†). See VDB-58334, VDB-79541, VDB-79545 and VDB-79546 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 87314
Nessus Name: Mac OS X 10.11.x < 10.11.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64640
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 December-15
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/16/2015 🔍
12/08/2015 +83 days 🔍
12/10/2015 +2 days 🔍
12/15/2015 +5 days 🔍
01/09/2016 +25 days 🔍
01/10/2016 +1 days 🔍
01/10/2016 +0 days 🔍
01/11/2016 +1 days 🔍
11/16/2024 +3232 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7116 (🔍)
GCVE (CVE): GCVE-0-2015-7116
GCVE (VulDB): GCVE-100-80128
SecurityFocus: 49124
Vulnerability Center: 55607 - Apple iOS <9.2 Remote Information Disclosure in libxml2 - CVE-2015-7116, Medium

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

Entryinfo

Created: 01/10/2016 20:12
Updated: 11/16/2024 04:28
Changes: 01/10/2016 20:12 (65), 06/20/2018 08:49 (13), 07/02/2022 15:54 (3), 11/16/2024 04:28 (23)
Complete: 🔍
Cache ID: 216::103

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