Apple Mac OS X 10.2.8/10.3.3 HelpViewer memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.7$0-$5k0.00

A vulnerability classified as critical was found in Apple Mac OS X 10.2.8/10.3.3 (Operating System). This vulnerability affects an unknown part of the component HelpViewer. 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. CVE summarizes:

HelpViewer in Mac OS X 10.3.3 and 10.2.8 processes scripts that it did not initiate, which can allow attackers to execute arbitrary code, an issue that was originally reported as a directory traversal vulnerability in the Safari web browser using the runscript parameter in a help: URI handler.

The bug was discovered 02/23/2004. The weakness was shared 05/14/2004 by Felix Henke as confirmed advisory (CERT.org). The advisory is available at kb.cert.org. This vulnerability was named CVE-2004-0486 since 05/20/2004. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available.

After 13 hours, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 81 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 12519 (Mac OS X Multiple Vulnerabilities (Security Update 2004-05-24)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published 7 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (16166) and Tenable (12519). The entry 21933 is related to this item.

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  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Nessus ID: 12519
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Update 2004-05-24)
Nessus File: 🔍
Nessus Risk: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Timelineinfo

02/23/2004 🔍
05/14/2004 +81 days 🔍
05/15/2004 +0 days 🔍
05/17/2004 +2 days 🔍
05/17/2004 +0 days 🔍
05/17/2004 +0 days 🔍
05/17/2004 +0 days 🔍
05/20/2004 +2 days 🔍
05/21/2004 +1 days 🔍
07/06/2004 +46 days 🔍
07/07/2004 +1 days 🔍
12/05/2014 +3803 days 🔍
06/23/2018 +1296 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: kb.cert.org
Researcher: Felix Henke
Status: Confirmed

CVE: CVE-2004-0486 (🔍)
X-Force: 16166 - Apple Mac OS X protocol helper file manipulation
SecurityTracker: 1010167
SecurityFocus: 10356
Secunia: 11622 - Mac OS X URI Handler Arbitrary Code Execution, Extremely Critical
OSVDB: 6184 - Apple Mac OS X Help URI Script Execution

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

Entryinfo

Created: 12/05/2014 10:47
Updated: 06/23/2018 07:23
Changes: 12/05/2014 10:47 (79), 06/23/2018 07:23 (3)
Complete: 🔍

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