BitchX 1.1a commands.c e_hostname link following

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in BitchX 1.1a and classified as problematic. This affects the function e_hostname of the file commands.c. Such manipulation leads to link following. This vulnerability is traded as CVE-2007-5839. Furthermore, there is an exploit available. It is best to disable the affected component.

Detailsinfo

A vulnerability was found in BitchX 1.1a and classified as problematic. Affected by this issue is the function e_hostname of the file commands.c. 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. CVE summarizes:

The e_hostname function in commands.c in BitchX 1.1a allows local users to overwrite arbitrary files via a symlink attack on temporary files when using the (1) HOSTNAME or (2) IRCHOST command.

The weakness was shared 11/05/2007 by Nico Golde with Debian (Website). The advisory is available at bugs.debian.org. This vulnerability is handled as CVE-2007-5839 since 11/06/2007. The attack needs to be initiated within the local network. No form of authentication is required for exploitation. Technical details as well as a exploit are known.

It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 66734 (FreeBSD : irc/bitchx -- multiple vulnerabilities (0a799a8e-c9d4-11e2-a424-14dae938ec40)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

The best possible mitigation is suggested to be disabling the affected component.

The vulnerability is also documented in the databases at X-Force (38262), Tenable (66734), SecurityFocus (BID 26326†), OSVDB (42061†) and Secunia (SA27463†). The entry VDB-39637 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.4
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 66734
Nessus Name: FreeBSD : irc/bitchx -- multiple vulnerabilities (0a799a8e-c9d4-11e2-a424-14dae938ec40)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 61387
OpenVAS Name: Gentoo Security Advisory GLSA 200807-12 (bitchx)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/11/2007 🔍
11/05/2007 +147 days 🔍
11/05/2007 +0 days 🔍
11/05/2007 +0 days 🔍
11/06/2007 +0 days 🔍
11/06/2007 +0 days 🔍
12/03/2007 +27 days 🔍
07/28/2008 +238 days 🔍
03/16/2021 +4614 days 🔍

Sourcesinfo

Advisory: bugs.debian.org
Researcher: Nico Golde
Organization: Debian
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-5839 (🔍)
GCVE (CVE): GCVE-0-2007-5839
GCVE (VulDB): GCVE-100-3434
X-Force: 38262 - BitchX e_hostname() symlink, Medium Risk
SecurityFocus: 26326 - BitchX E_HOSTNAME Function Insecure Temporary File Creation Vulnerability
Secunia: 27463 - BitchX "e_hostname()" Insecure Temporary File Creation, Less Critical
OSVDB: 42061 - BitchX commands.c e_hostname() Function Multiple Command Symlink Arbitrary File Overwrite
Vulnerability Center: 18946 - BitchX Vulnerability Allows Local Attackers to Overwrite Arbitrary Files via Symlink Attack, Medium
Vupen: ADV-2007-3714

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/03/2007 13:49
Updated: 03/16/2021 08:13
Changes: 12/03/2007 13:49 (87), 08/18/2017 13:47 (2), 03/16/2021 08:13 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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