Apple Mac OS X 10.8.5 Font Parser PDF File 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 10.8.5. The impacted element is an unknown function of the component Font Parser. The manipulation as part of PDF File leads to memory corruption. This vulnerability is documented as CVE-2013-5170. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Apple Mac OS X 10.8.5 (Operating System). It has been rated as critical. This issue affects an unknown code of the component Font Parser. The manipulation as part of a PDF File 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:

Buffer underflow in CoreGraphics in Apple Mac OS X before 10.9 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PDF document.

The weakness was released 04/22/2014 by Will Dormann with CERT/CC as HT6207 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The public release was coordinated with Apple. The identification of this vulnerability is CVE-2013-5170 since 08/15/2013. The exploitation is known to be difficult. 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 advisory points out:

Opening a maliciously crafted PDF file may result in an unexpected application termination or arbitrary code execution

The vulnerability scanner Nessus provides a plugin with the ID 70561 (Mac OS X 10.x < 10.9 Multiple Vulnerabilities (BEAST)), 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 122028 (Apple Mac OS X Security Update 2014-002 Not Installed (HT6207)).

Applying the patch Security Update 2014-002 is able to eliminate this problem. The bugfix is ready for download at support.apple.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed through additional bounds checking. This issue does not affect OS X Mavericks systems.

The vulnerability is also documented in the databases at X-Force (88210), Tenable (70561), SecurityFocus (BID 63330†), SecurityTracker (ID 1030133†) and Vulnerability Center (SBV-44208†). Entries connected to this vulnerability are available at VDB-10327, VDB-10926, VDB-10914 and VDB-10927. Be aware that VulDB is the high quality source for 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: 🔍
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: 70561
Nessus Name: Mac OS X 10.x < 10.9 Multiple Vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: Security Update 2014-002

Timelineinfo

08/15/2013 🔍
10/22/2013 +68 days 🔍
10/22/2013 +0 days 🔍
10/23/2013 +1 days 🔍
04/22/2014 +181 days 🔍
04/22/2014 +0 days 🔍
04/23/2014 +1 days 🔍
04/23/2014 +0 days 🔍
04/23/2014 +0 days 🔍
06/17/2021 +2612 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6207
Researcher: Will Dormann
Organization: CERT/CC
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-5170 (🔍)
GCVE (CVE): GCVE-0-2013-5170
GCVE (VulDB): GCVE-100-13031
X-Force: 88210
SecurityFocus: 63330 - Apple Mac OS X CoreGraphics PDF Handling Buffer Overflow Vulnerability
SecurityTracker: 1030133 - Apple OS X Multiple Bugs Let Remote Users Execute Arbitrary Code and Deny Service and Local Users Gain Elevated Privileges
Vulnerability Center: 44208 - Apple Mac OS X Remote Code Execution or DoS in FontParser by Opening a Crafted PDF, Medium

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

Entryinfo

Created: 04/23/2014 12:25
Updated: 06/17/2021 14:37
Changes: 04/23/2014 12:25 (81), 05/26/2017 03:39 (2), 06/17/2021 14:37 (3)
Complete: 🔍
Cache ID: 216:71C:103

Be aware that VulDB is the high quality source for vulnerability data.

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