Apple Mac OS X up to 10.3.8 Environment Variable CF_CHARSET_PATH memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Apple Mac OS X up to 10.3.8. This impacts an unknown function of the component Environment Variable Handler. The manipulation of the argument CF_CHARSET_PATH results in memory corruption. This vulnerability is identified as CVE-2005-0716. The attack can only be performed from the local network. Additionally, an exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical has been found in Apple Mac OS X up to 10.3.8 (Operating System). Affected is an unknown functionality of the component Environment Variable Handler. The manipulation of the argument CF_CHARSET_PATH 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. CVE summarizes:

Stack-based buffer overflow in the Core Foundation Library in Mac OS X 10.3.5 and 10.3.6, and possibly earlier versions, allows local users to execute arbitrary code via a long CF_CHARSET_PATH environment variable.

The bug was discovered 03/21/2005. The weakness was released 03/15/2005 by Adriano Lima with iDEFENSE und SeedSecurity.com (Website). The advisory is shared for download at docs.info.apple.com. This vulnerability is traded as CVE-2005-0716 since 03/11/2005. The attack can only be done within the local network. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17587 (Mac OS X Multiple Vulnerabilities (Security Update 2005-003)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at apple.com. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (19776), Exploit-DB (2111), Tenable (17587), SecurityFocus (BID 13224†) and OSVDB (15006†). Entries connected to this vulnerability are available at VDB-1178, VDB-1295, VDB-1294 and VDB-1293. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

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Nessus ID: 17587
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Update 2005-003)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: apple.com

Timelineinfo

03/11/2005 🔍
03/15/2005 +4 days 🔍
03/21/2005 +6 days 🔍
03/21/2005 +0 days 🔍
03/21/2005 +0 days 🔍
03/21/2005 +0 days 🔍
03/22/2005 +1 days 🔍
03/22/2005 +0 days 🔍
03/28/2005 +6 days 🔍
03/29/2005 +1 days 🔍
05/05/2005 +37 days 🔍
02/17/2025 +7228 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: docs.info.apple.com⛔
Researcher: Adriano Lima
Organization: iDEFENSE und SeedSecurity.com
Status: Confirmed

CVE: CVE-2005-0716 (🔍)
GCVE (CVE): GCVE-0-2005-0716
GCVE (VulDB): GCVE-100-1296
X-Force: 19776
SecurityFocus: 13224 - Apple Mac OS X Core Foundation Local Buffer Overflow Vulnerability
Secunia: 14655 - Mac OS X Security Update Fixes Multiple Vulnerabilities, Highly Critical
OSVDB: 15006 - Apple Mac OS X CF_CHARSET_PATH buffer overflow
Vulnerability Center: 7842 - Buffer Overflow in Mac OS X 10.3.5 and 10.3.6 via Long CF_CHARSET_PATH Variable, Medium

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

Entryinfo

Created: 03/29/2005 10:47
Updated: 02/17/2025 09:03
Changes: 03/29/2005 10:47 (87), 07/01/2019 20:32 (5), 02/17/2025 09:03 (18)
Complete: 🔍
Cache ID: 216:4F3:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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