VDB-21067 · CVE-2003-0885 · GCVE-0-2003-0885

Xscreensaver 4.14 Debugging symlink

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Xscreensaver 4.14. This affects an unknown part of the component Debugging Handler. This manipulation causes symlink. This vulnerability is tracked as CVE-2003-0885. No exploit exists.

Detailsinfo

A vulnerability was found in Xscreensaver 4.14. It has been declared as critical. Affected by this vulnerability is an unknown code of the component Debugging Handler. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect integrity, and availability. The summary by CVE is:

Xscreensaver 4.14 contains certain debugging code that should have been omitted, which causes Xscreensaver to create temporary files insecurely in the (1) apple2, (2) xanalogtv, and (3) pong screensavers, and allows local users to overwrite arbitrary files via a symlink attack.

The weakness was disclosed 12/31/2003 (Website). It is possible to read the advisory at bugs.gentoo.org. This vulnerability is known as CVE-2003-0885 since 10/24/2003. The exploitation appears to be easy. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Xscreensaver

Version

4.14

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/24/2003 🔍
12/31/2003 +68 days 🔍
12/31/2003 +0 days 🔍
08/22/2014 +3887 days 🔍
06/15/2018 +1393 days 🔍

Sourcesinfo

Advisory: bugs.gentoo.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-0885 (🔍)
GCVE (CVE): GCVE-0-2003-0885
GCVE (VulDB): GCVE-100-21067

Entryinfo

Created: 08/22/2014 13:09
Updated: 06/15/2018 08:13
Changes: 08/22/2014 13:09 (40), 06/15/2018 08:13 (6)
Complete: 🔍
Cache ID: 216::103