Debian Citadel Server 7.37 migrate_aliases.sh link following

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.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Debian Citadel Server 7.37. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the file migrate_aliases.sh. Performing a manipulation results in link following. This vulnerability was named CVE-2008-3930. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Debian Citadel Server 7.37. This affects an unknown code block of the file migrate_aliases.sh. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

migrate_aliases.sh in Citadel Server 7.37 allows local users to overwrite arbitrary files via a symlink attack on a temporary file.

The weakness was presented 09/04/2008 (Website). It is possible to read the advisory at bugs.gentoo.org. This vulnerability is uniquely identified as CVE-2008-3930 since 09/04/2008. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as highly functional.

The vulnerability is also documented in the databases at X-Force (44734), SecurityFocus (BID 30877†) and Secunia (SA31648†). See VDB-44966, VDB-44935, VDB-44934 and VDB-44933 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Debian

Name

• Citadel Server

Version

• 7.37

License

• open-source

Website

• Vendor: https://www.debian.org/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
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: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Highly functional

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/24/2008 🔍
08/28/2008 +4 days 🔍
09/04/2008 +7 days 🔍
09/04/2008 +0 days 🔍
09/04/2008 +0 days 🔍
03/17/2015 +2385 days 🔍
12/05/2017 +994 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: bugs.gentoo.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-3930 (🔍)
GCVE (CVE): GCVE-0-2008-3930
GCVE (VulDB): GCVE-100-43923
X-Force: 44734 - Citadel migrate_aliases.sh symlink
SecurityFocus: 30877 - Citadel Insecure Temporary File Creation Vulnerability
Secunia: 31648 - Citadel "migrate_aliases.sh" Insecure Temporary Files, Less Critical

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 12/05/2017 08:11
Changes: 03/17/2015 16:11 (52), 12/05/2017 08:11 (7)
Complete: 🔍
Cache ID: 216:C34:103

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

Discussion

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