FreeBSD 6 denial of service

EntryHistoryDiffjsonxmlCTI

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.
5.1	$0-$5k	0.00

A vulnerability was found in FreeBSD 6 (Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

The libarchive library in FreeBSD 6-STABLE after 2006-09-05 and before 2006-11-08 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive that causes libarchive to skip a region past the actual end of the archive, which triggers an infinite loop that attempts to read more data.

The weakness was shared 11/08/2006 (Website). It is possible to read the advisory at security.freebsd.org. This vulnerability is known as CVE-2006-5680 since 11/03/2006. 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.

The vulnerability scanner Nessus provides a plugin with the ID 24720 (FreeBSD : libarchive -- Infinite loop in corrupt archives handling in libarchive (792bc222-c5d7-11db-9f82-000e0c2e438a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading to version 6 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (30137) and Tenable (24720). The entry 33201 is related to this item.

Productinfo

Type

Operating System

Name

FreeBSD

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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

Nessus ID: 24720
Nessus Name: FreeBSD : libarchive -- Infinite loop in corrupt archives handling in libarchive (792bc222-c5d7-11db-9f82-000e0c2e438a)
Nessus File: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 58052
OpenVAS Name: FreeBSD Ports: libarchive
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreeBSD 6

Timelineinfo

11/03/2006 🔍
11/08/2006 +5 days 🔍
11/08/2006 +0 days 🔍
11/08/2006 +0 days 🔍
11/08/2006 +0 days 🔍
11/08/2006 +0 days 🔍
11/10/2006 +2 days 🔍
02/27/2007 +109 days 🔍
03/05/2007 +6 days 🔍
03/12/2015 +2929 days 🔍
12/25/2016 +654 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: security.freebsd.org
Status: Confirmed

CVE: CVE-2006-5680 (🔍)
X-Force: 30137
SecurityTracker: 1017199 - libarchive Lets Remote Users Deny Service Via Specially Crafted Archives
Vulnerability Center: 14520 - FreeBSD 6-STABLE Denial of Service via a Malformed Archive, High
SecurityFocus: 20961 - FreeBSD LibArchive Remote Denial Of Service Vulnerability
Secunia: 22723 - libarchive Denial of Service Vulnerability, Less Critical

See also: 🔍

Entryinfo

Created: 03/12/2015 22:21
Updated: 12/25/2016 13:14
Changes: 03/12/2015 22:21 (62), 12/25/2016 13:14 (16)
Complete: 🔍