Apple Mac OS X up to 10.11.0 ImageIO Image Metadata 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 marked as critical has been reported in Apple Mac OS X up to 10.11.0. This affects an unknown part of the component ImageIO. This manipulation as part of Image Metadata causes memory corruption. This vulnerability is tracked as CVE-2015-5939. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple Mac OS X up to 10.11.0 (Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component ImageIO. The manipulation as part of a Image Metadata 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 disclosed 10/21/2015 with Apple as HT205375 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2015-5939 since 08/06/2015. 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 memory corruption issues existed in the parsing of image metadata. These issues were addressed through improved metadata validation.

The vulnerability scanner Nessus provides a plugin with the ID 86654 (Mac OS X < 10.11.1 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124182 (Apple Mac OS X Security Update 2015-007 Not Installed (APPLE-SA-2015-10-21-4)).

Upgrading to version 10.11.1 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 (86654) and Vulnerability Center (SBV-53914†). The entries VDB-77709, VDB-78724, VDB-78725 and VDB-78727 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

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

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 86654
Nessus Name: Mac OS X < 10.11.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Mac OS X 10.11.1

Timelineinfo

08/06/2015 🔍
10/21/2015 +76 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
10/22/2015 +0 days 🔍
10/23/2015 +1 days 🔍
11/20/2024 +3316 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205375
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5939 (🔍)
GCVE (CVE): GCVE-0-2015-5939
GCVE (VulDB): GCVE-100-78817
SecurityFocus: 64048
SecurityTracker: 1033929
Vulnerability Center: 53914 - Apple iOS <9.1 Remote Code Execution in ImageIO - CVE-2015-5939, Medium

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

Entryinfo

Created: 10/22/2015 11:25
Updated: 11/20/2024 16:35
Changes: 10/22/2015 11:25 (65), 02/19/2018 09:21 (2), 06/24/2022 15:24 (4), 06/24/2022 15:30 (2), 11/20/2024 16:35 (16)
Complete: 🔍
Cache ID: 216::103

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

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