VDB-67663 · CVE-2014-2525 · HT6443

Apple Mac OS X up to 10.9.4 memory corruption

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.9.4. This affects an unknown part. This manipulation causes memory corruption. This vulnerability appears as CVE-2014-2525. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Apple Mac OS X up to 10.9.4 (Operating System). Affected by this vulnerability is an unknown functionality. 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 summary by CVE is:

Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.

The weakness was presented 09/17/2014 by Ivan Fratric with Google Security Team as HT6443 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2014-2525 since 03/17/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 74171 (GLSA-201405-27 : LibYAML: Arbitrary code execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350407 (Amazon Linux Security Advisory for perl-YAML-LibYAML: ALAS-2014-324).

Upgrading to version 10.9.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 16286.

The vulnerability is also documented in the databases at Tenable (74171), SecurityFocus (BID 66478†), Secunia (SA57836†) and Vulnerability Center (SBV-43812†). See VDB-12693, VDB-67630, VDB-67620 and VDB-67639 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Apple

Name

Mac OS X

Version

License

commercial

Support

end of life

Website

Vendor: https://www.apple.com/

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 74171
Nessus Name: GLSA-201405-27 : LibYAML: Arbitrary code execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702884
OpenVAS Name: Debian Security Advisory DSA 2884-1 (libyaml - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Mac OS X 10.9.5
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

03/17/2014 🔍
03/26/2014 +9 days 🔍
03/26/2014 +0 days 🔍
03/28/2014 +2 days 🔍
03/31/2014 +3 days 🔍
05/25/2014 +55 days 🔍
09/17/2014 +115 days 🔍
09/17/2014 +0 days 🔍
09/23/2014 +6 days 🔍
02/20/2022 +2707 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6443
Researcher: Ivan Fratric
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-2525 (🔍)
GCVE (CVE): GCVE-0-2014-2525
GCVE (VulDB): GCVE-100-67663

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 66478 - LibYAML 'yaml_parser_scan_uri_escapes()' Function Remote Heap Based Buffer Overflow Vulnerability
Secunia: 57836
Vulnerability Center: 43812 - LibYAML Before 0.1.6 and Apple MacOS X Remote Code Execution Vulnerability via a URI in a YAML File - CVE-2014-2525, Medium

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

Entryinfo

Created: 09/23/2014 13:06
Updated: 02/20/2022 20:15
Changes: 09/23/2014 13:06 (66), 05/24/2017 10:48 (21), 02/20/2022 20:15 (3)
Complete: 🔍
Cache ID: 216:B9F:103