Apple Mac OS X up to 10.11.3 Tcl memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.11.3. This issue affects some unknown processing of the component Tcl. This manipulation causes memory corruption. This vulnerability is handled as CVE-2015-8126. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple Mac OS X up to 10.11.3 (Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Tcl. 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.

The weakness was released 03/21/2016 by Glenn Randers-Pehrson as HT206167 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2015-8126 since 11/12/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple vulnerabilities existed in libpng versions prior to 1.6.20. These were addressed by removing libpng.

The vulnerability scanner Nessus provides a plugin with the ID 89686 (Google Chrome < 49.0.2623.75 Multiple Vulnerabilities (Mac OS X)), 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 168929 (OpenSuSE Security Update for vlc (openSUSE-SU-2016:1652-1)).

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 (89686), SecurityFocus (BID 77568†) and Vulnerability Center (SBV-57506†). Entries connected to this vulnerability are available at VDB-79206, VDB-80545, VDB-81156 and VDB-81157. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 89686
Nessus Name: Google Chrome < 49.0.2623.75 Multiple Vulnerabilities (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-611
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Mac OS X 10.11.4

Timelineinfo

11/12/2015 🔍
11/12/2015 +0 days 🔍
11/12/2015 +0 days 🔍
03/04/2016 +113 days 🔍
03/21/2016 +17 days 🔍
03/21/2016 +0 days 🔍
03/21/2016 +0 days 🔍
03/22/2016 +1 days 🔍
03/23/2016 +1 days 🔍
07/11/2022 +2301 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206167
Researcher: Glenn Randers-Pehrson
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8126 (🔍)
GCVE (CVE): GCVE-0-2015-8126
GCVE (VulDB): GCVE-100-81481

OVAL: 🔍

SecurityFocus: 77568 - libpng CVE-2015-8126 Multiple Heap Based Buffer Overflow Vulnerabilities
SecurityTracker: 1034142
Vulnerability Center: 57506 - Apple OS X <10.11.4 Remote Code Execution via a Crafted PNG File, Medium

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

Entryinfo

Created: 03/23/2016 12:41
Updated: 07/11/2022 10:04
Changes: 03/23/2016 12:41 (66), 02/02/2019 10:55 (15), 07/11/2022 10:04 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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