Apple Mac OS X up to 10.11.1 CoreMedia Playback memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

A vulnerability was found in Apple Mac OS X up to 10.11.1 (Operating System) and classified as very critical. This issue affects some unknown processing of the component CoreMedia Playback. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

CoreMedia Playback in Apple iOS before 9.2, OS X before 10.11.2, tvOS before 9.1, and watchOS before 2.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a malformed media file.

The weakness was disclosed 12/08/2015 as HT205637 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2015-7075 since 09/16/2015. 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. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/29/2022). The advisory points out:

Multiple memory corruption issues existed in the processing of malformed media files. These issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 87321 (Mac OS X Multiple Vulnerabilities (Security Updates 2015-005 / 2015-008)), 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 l. 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 to version 10.11.2 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 (87321) and SecurityFocus (BID 78719†). The entries VDB-78550, VDB-78551, VDB-79541 and VDB-79545 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
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Nessus ID: 87321
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Updates 2015-005 / 2015-008)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Upgrade: Mac OS X 10.11.2

Timelineinfo

09/16/2015 🔍
12/08/2015 +83 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/11/2015 +2 days 🔍
12/11/2015 +0 days 🔍
06/29/2022 +2392 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205637
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7075 (🔍)
SecurityFocus: 78719
SecurityTracker: 1034344

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

Entryinfo

Created: 12/09/2015 02:04 PM
Updated: 06/29/2022 11:22 AM
Changes: 12/09/2015 02:04 PM (42), 04/28/2018 11:52 PM (24), 06/29/2022 11:15 AM (2), 06/29/2022 11:22 AM (1)
Complete: 🔍
Cache ID: 18:8FC:40

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