Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 9.0. This issue affects some unknown processing of the component FontParser. The manipulation as part of Font File leads to memory corruption. The identification of this vulnerability is CVE-2015-7008. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Apple iOS up to 9.0 (Smartphone Operating System). This vulnerability affects some unknown processing of the component FontParser. The manipulation as part of a Font File 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 by John Villamil with Yahoo Pentest Team as HT205370 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2015-7008 since 09/16/2015. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/19/2024). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.

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 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 databases at Tenable (86654) and SecurityFocus (BID 77263†). The entries VDB-77709, VDB-78724, VDB-78725 and VDB-78727 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Smartphone Operating System

Vendor

• Apple

Name

• iOS

Version

• 9.0

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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