Debian Linux 2.2/6.3/6.4/7.0 man -l format string

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.
7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Debian Linux 2.2/6.3/6.4/7.0. Affected by this issue is some unknown functionality of the component man. The manipulation of the argument -l leads to format string. This vulnerability is handled as CVE-2001-0193. Furthermore, there is an exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in Debian Linux 2.2/6.3/6.4/7.0 (Operating System). Affected by this vulnerability is an unknown code of the component man. The manipulation of the argument -l with an unknown input leads to a format string vulnerability. The CWE definition for the vulnerability is CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Format string vulnerability in man in some Linux distributions allows local users to gain privileges via a malformed -l parameter.

The bug was discovered 01/31/2001. The weakness was published 05/03/2001 by Joao Gouveia (Website). It is possible to read the advisory at marc.info. This vulnerability is known as CVE-2001-0193. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed in Shell File. It is possible to download the exploit at securityfocus.com. 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 $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 14865 (Debian DSA-028-1 : man-db - format string vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (6059), Exploit-DB (20604), Tenable (14865), SecurityFocus (BID 2327†) and OSVDB (1756†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Debian GNU/Linux 2.2
  • SuSE Linux up to 7.0

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 14865
Nessus Name: Debian DSA-028-1 : man-db - format string vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53790
OpenVAS Name: Debian Security Advisory DSA 028-1 (man-db)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/31/2001 🔍
01/31/2001 +0 days 🔍
01/31/2001 +0 days 🔍
02/09/2001 +9 days 🔍
05/03/2001 +83 days 🔍
05/03/2001 +0 days 🔍
09/29/2004 +1245 days 🔍
05/17/2007 +960 days 🔍
07/03/2014 +2604 days 🔍
10/06/2024 +3748 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: marc.info
Researcher: Joao Gouveia
Status: Not defined

CVE: CVE-2001-0193 (🔍)
GCVE (CVE): GCVE-0-2001-0193
GCVE (VulDB): GCVE-100-16615
X-Force: 6059
SecurityFocus: 2327 - Linux man -l Format String Vulnerability
OSVDB: 1756 - Linux, Format String Weakness in Man -l Command
Vulnerability Center: 15143 - Linux man Format String Vulnerability via the -l Parameter, High

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

Entryinfo

Created: 07/03/2014 05:16 PM
Updated: 10/06/2024 02:07 AM
Changes: 07/03/2014 05:16 PM (77), 07/19/2019 12:05 PM (5), 10/06/2024 02:07 AM (17)
Complete: 🔍
Cache ID: 18:D7E:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!