FreeBSD 4.0 SSH Server privileges management

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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in FreeBSD 4.0. This impacts an unknown function of the component SSH Server. Executing a manipulation can lead to privileges management. This vulnerability is registered as CVE-2000-0532. Furthermore, an exploit is available. This vulnerability has a historic impact due to its background and reception. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in FreeBSD 4.0 (Operating System). It has been declared as critical. This vulnerability affects some unknown functionality of the component SSH Server. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A FreeBSD patch for SSH on 2000-01-14 configures ssh to listen on port 722 as well as port 22, which might allow remote attackers to access SSH through port 722 even if port 22 is otherwise filtered.

The weakness was published 06/07/2000 by Jan Koum (Website). The advisory is shared for download at ftp.freebsd.org. This vulnerability was named CVE-2000-0532. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/24/2017). The MITRE ATT&CK project declares the attack technique as T1068. This vulnerability has a historic impact due to its background and reception.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

Proper firewalling of tcp/722 is able to address this issue.

The vulnerability is also documented in the databases at X-Force (4638), SecurityFocus (BID 1323†), OSVDB (1387†) and Vulnerability Center (SBV-31849†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Firewalling: 🔍

Timelineinfo

06/07/2000 🔍
06/07/2000 +0 days 🔍
06/07/2000 +0 days 🔍
06/07/2000 +0 days 🔍
06/07/2000 +0 days 🔍
02/21/2003 +989 days 🔍
06/16/2011 +3036 days 🔍
06/25/2014 +1105 days 🔍
03/24/2017 +1003 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.freebsd.org
Researcher: Jan Koum
Status: Not defined

CVE: CVE-2000-0532 (🔍)
GCVE (CVE): GCVE-0-2000-0532
GCVE (VulDB): GCVE-100-15640
X-Force: 4638
SecurityFocus: 1323 - FreeBSD SSH Port Extra Network Port Listening Vulnerability
OSVDB: 1387 - FreeBSD SSH Port Extra Network Port
Vulnerability Center: 31849 - FreeBSD 4.0 SSH Extra Port Listening Vulnerability, Medium

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

Entryinfo

Created: 06/25/2014 11:07
Updated: 03/24/2017 10:05
Changes: 06/25/2014 11:07 (55), 03/24/2017 10:05 (10)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!