Linux up to 6.2 man MANPAGER memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux up to 6.2. It has been rated as problematic. The affected element is an unknown function of the component man. Performing a manipulation of the argument MANPAGER as part of Environment Variable results in memory corruption. This vulnerability is identified as CVE-2000-0170. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux up to 6.2. It has been classified as critical. This affects an unknown function of the component man. The manipulation of the argument MANPAGER as part of a Environment Variable leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the man program in Linux allows local users to gain privileges via the MANPAGER environmental variable.

The weakness was released 02/26/2000 by Michal Zalewski (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2000-0170. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by teleh0r in ANSI C and been published 12 months after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (255), SecurityFocus (BID 1011†) and OSVDB (1233†). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Turbolinux up to 4.4
  • Red Hat Linux up to 6.2

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: teleh0r
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/26/2000 🔍
02/26/2000 +0 days 🔍
02/26/2000 +0 days 🔍
01/19/2001 +328 days 🔍
01/19/2001 +0 days 🔍
02/21/2003 +763 days 🔍
06/23/2014 +4139 days 🔍
12/01/2024 +3814 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Michal Zalewski
Status: Confirmed

CVE: CVE-2000-0170 (🔍)
GCVE (CVE): GCVE-0-2000-0170
GCVE (VulDB): GCVE-100-15351
SecurityFocus: 1011 - Multiple Linux Vendor man Buffer Overrun Vulnerability
OSVDB: 1233 - Linux man MANPAGER Variable Local Overflow

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

Entryinfo

Created: 06/23/2014 23:09
Updated: 12/01/2024 20:02
Changes: 06/23/2014 23:09 (61), 05/23/2018 11:01 (5), 12/01/2024 20:02 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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