FreeBSD 5.3/5.4/6.0 pf IP Fragment denial of service

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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in FreeBSD 5.3/5.4/6.0. Affected by this vulnerability is an unknown functionality of the component pf. Performing a manipulation as part of IP Fragment results in denial of service. This vulnerability was named CVE-2006-0381. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in FreeBSD 5.3/5.4/6.0 (Operating System). It has been classified as critical. This affects an unknown code of the component pf. The manipulation as part of a IP Fragment leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

A logic error in the IP fragment cache functionality in pf in FreeBSD 5.3, 5.4, and 6.0, and OpenBSD, when a scrub fragment crop or scrub fragment drop-ovl rule is being used, allows remote attackers to cause a denial of service (crash) via crafted packets that cause a packet fragment to be inserted twice.

The bug was discovered 01/25/2006. The weakness was presented 01/25/2006 by Jakob Schlyter and Daniel Hartmeier (Website). The advisory is shared at ftp.freebsd.org. This vulnerability is uniquely identified as CVE-2006-0381 since 01/24/2006. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 56202 (Fedora 15 : roundcubemail-0.5.4-1.fc15 (2011-12131)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.FreeBSD.org. A possible mitigation has been published 7 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (24337), Tenable (56202), SecurityFocus (BID 16375†), OSVDB (22732†) and Secunia (SA18609†). See VDB-2012 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 56202
Nessus Name: Fedora 15 : roundcubemail-0.5.4-1.fc15 (2011-12131)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56202
OpenVAS Name: FreeBSD Security Advisory (FreeBSD-SA-06:07.pf.asc)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: ftp.FreeBSD.org

Timelineinfo

01/24/2006 🔍
01/25/2006 +1 days 🔍
01/25/2006 +0 days 🔍
01/25/2006 +0 days 🔍
01/25/2006 +0 days 🔍
01/25/2006 +0 days 🔍
01/25/2006 +0 days 🔍
01/25/2006 +0 days 🔍
01/25/2006 +0 days 🔍
01/30/2006 +4 days 🔍
03/10/2009 +1135 days 🔍
09/06/2011 +910 days 🔍
09/15/2011 +9 days 🔍
03/12/2021 +3466 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.freebsd.org
Researcher: Jakob Schlyter, Daniel Hartmeier
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-0381 (🔍)
GCVE (CVE): GCVE-0-2006-0381
GCVE (VulDB): GCVE-100-2013
X-Force: 24337 - FreeBSD pf IP fragment handling denial of service, Medium Risk
SecurityFocus: 16375 - OpenBSD PF IP Fragment Remote Denial Of Service Vulnerability
Secunia: 18609 - FreeBSD "pf" IP Fragment Denial of Service Vulnerability, Moderately Critical
OSVDB: 22732 - Multiple BSD pf Crafted IP Fragment Ruleset DoS
SecurityTracker: 1015542
Vulnerability Center: 21234 - FreeBSD and OpenBSD PF IP Fragment Cache Functionality Remote DoS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 01/30/2006 11:59
Updated: 03/12/2021 12:57
Changes: 01/30/2006 11:59 (96), 08/30/2019 14:49 (2), 03/12/2021 12:57 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!