Debian xsabre 0.2.4b 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.
8.1	$5k-$25k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Debian xsabre 0.2.4b. This affects an unknown part. The manipulation leads to link following. This vulnerability is documented as CVE-2008-4406. There is not any exploit available.

Detailsinfo

A vulnerability was found in Debian xsabre 0.2.4b and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A certain Debian patch to the run scripts for sabre (aka xsabre) 0.2.4b allows local users to delete or overwrite arbitrary files via a symlink attack on unspecified .tmp files.

The weakness was released 07/20/2007 (Website). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2008-4406 since 10/03/2008. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/09/2018).

It is declared as highly functional.

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

The vulnerability is also documented in the databases at X-Force (45715), SecurityFocus (BID 31512†) and OSVDB (48895†). Entry connected to this vulnerability is available at VDB-44322. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Debian

Name

• xsabre

Version

• 0.2.4b

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: 8.1

VulDB Base Score: 8.4
VulDB Temp Score: 8.1
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

07/20/2007 🔍
10/01/2008 +439 days 🔍
10/03/2008 +2 days 🔍
10/03/2008 +0 days 🔍
10/08/2008 +5 days 🔍
03/17/2015 +2350 days 🔍
10/09/2018 +1302 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-4406 (🔍)
GCVE (CVE): GCVE-0-2008-4406
GCVE (VulDB): GCVE-100-44321
X-Force: 45715 - xsabre unspecified symlink
SecurityFocus: 31512 - Debian xsabre Insecure Temporary File Creation Vulnerability
OSVDB: 48895 - Debian Linux sabre Patch Run Scripts Temporary File Symlink Arbitrary File Overwrite

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 10/09/2018 11:00
Changes: 03/17/2015 16:11 (52), 10/09/2018 11:00 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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