VDB-136 · CVE-2003-0518 · BID 8106

Apple Mac OS X up to 10.2.6 Screensaver denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6	$0-$5k	0.00

A vulnerability classified as problematic was found in Apple Mac OS X up to 10.2.6 (Operating System). This vulnerability affects an unknown part of the component Screensaver. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

The screen saver in MacOS X allows users with physical access to cause the screen saver to crash and gain access to the underlying session via a large number of characters in the password field, possibly triggering a buffer overflow.

The weakness was released 07/04/2003 by Delfim Machado (Website). The advisory is shared for download at lists.netsys.com. This vulnerability was named CVE-2003-0518 since 07/07/2003. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available.

It is possible to download the exploit at macslash.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at docs.info.apple.com.

Additional details are provided at securiteam.com.

Productinfo

Type

Operating System

Vendor

Apple

Name

Mac OS X

Version

License

commercial

Support

end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.1
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: docs.info.apple.com

Timelineinfo

07/04/2003 🔍
07/04/2003 +0 days 🔍
07/04/2003 +0 days 🔍
07/07/2003 +3 days 🔍
08/18/2003 +42 days 🔍
12/13/2016 +4866 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: lists.netsys.com
Researcher: Delfim Machado
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-0518 (🔍)
SecuriTeam: securiteam.com
SecurityFocus: 8106 - Apple Mac OS X Screen Effects Password Prompt Buffer Overflow Vulnerability

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

Entryinfo

Created: 07/04/2003 02:00
Updated: 12/13/2016 20:21
Changes: 07/04/2003 02:00 (62), 12/13/2016 20:21 (4)
Complete: 🔍