Apple iOS up to 9.0 CoreGraphics memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 9.0. It has been rated as critical. This affects an unknown part of the component CoreGraphics. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2015-5926. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple iOS up to 9.0 (Smartphone Operating System). It has been classified as critical. This affects an unknown function of the component CoreGraphics. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 10/21/2015 with Apple as HT205370 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2015-5926 since 08/06/2015. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple memory corruption issues existed in CoreGraphics. These issues were addressed through improved memory handling.

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 124172 (Apple Mac OS X v10.11.1 Not Installed (APPLE-SA-2015-10-21-4)).

Upgrading to version 9.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (86654). The entries VDB-68857, VDB-74877, VDB-74936 and VDB-77709 are related to this item. 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: 🔍
VulDB Temp Score: 🔍
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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: iOS 9.1

Timelineinfo

08/06/2015 🔍
10/21/2015 +76 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
10/23/2015 +1 days 🔍
06/23/2022 +2435 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205370
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5926 (🔍)
GCVE (CVE): GCVE-0-2015-5926
GCVE (VulDB): GCVE-100-78729
SecurityFocus: 64048
SecurityTracker: 1033929

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 10/22/2015 10:29
Updated: 06/23/2022 23:25
Changes: 10/22/2015 10:29 (49), 02/12/2018 08:16 (14), 06/23/2022 23:14 (4), 06/23/2022 23:25 (2)
Complete: 🔍
Cache ID: 216::103

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

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