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.
5.3	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Elinks 0.11.1. Affected is the function add_filename_to_string. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in the add_filename_to_string function in intl/gettext/loadmsgcat.c for Elinks 0.11.1 allows local users to cause Elinks to use an untrusted gettext message catalog (.po file) in a "../po" directory, which can be leveraged to conduct format string attacks.

The bug was discovered 04/04/2007. The weakness was shared 04/13/2007 as Bug 235411 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2007-2027 since 04/13/2007. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 67934 (Oracle Linux 4 / 5 : elinks (ELSA-2009-1471)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155766 (Oracle Enterprise Linux Update for ELinks (ELSA-2009-1471)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (34189) and Tenable (67934). The entry 49999 is related to this item.

Productinfo

Name

• Elinks

Version

• 0.11.1

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
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: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 67934
Nessus Name: Oracle Linux 4 / 5 : elinks (ELSA-2009-1471)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 880923
OpenVAS Name: CentOS Update for elinks CESA-2009:1471 centos4 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/04/2007 🔍
04/04/2007 +0 days 🔍
04/13/2007 +9 days 🔍
04/13/2007 +0 days 🔍
04/13/2007 +0 days 🔍
05/07/2007 +24 days 🔍
05/08/2007 +1 days 🔍
05/08/2007 +0 days 🔍
06/11/2007 +33 days 🔍
10/01/2009 +843 days 🔍
07/12/2013 +1380 days 🔍
03/13/2015 +609 days 🔍
07/20/2019 +1590 days 🔍

Sourcesinfo

Advisory: Bug 235411
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-2027 (🔍)
OVAL: 🔍

X-Force: 34189
Vulnerability Center: 15332 - Elinks Vulnerability Allows User-Assisted Remote Attacker Code Execution, Medium
SecurityFocus: 23844 - ELinks Relative Path Arbitrary Code Execution Vulnerability
Secunia: 25169
OSVDB: 35668 - ELinks add_filename_to_string() Path Subversion Format String Local Privilege Escalation
Vupen: ADV-2007-1686

See also: 🔍

Entryinfo

Created: 03/13/2015 14:56
Updated: 07/20/2019 15:25
Changes: 03/13/2015 14:56 (84), 07/20/2019 15:25 (3)
Complete: 🔍

Discussion

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