CVE-2000-0993

BSD chpass - 'pw_error' Local Privilege Escalation

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2000-11-24 CVE Reserved
2000-12-19 CVE Published
2001-01-12 First Exploit
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (7)

URL	Tag	Source
http://marc.info/?l=bugtraq&m=97068555106135&w=2	Mailing List
https://exchange.xforce.ibmcloud.com/vulnerabilities/5339	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/243	2001-01-12
http://www.securityfocus.com/bid/1744	2024-08-08

URL	Date	SRC

URL	Date	SRC
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc	2017-10-10
ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc	2017-10-10
http://www.openbsd.org/errata27.html#pw_error	2017-10-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				3.2 Search vendor "Freebsd" for product "Freebsd" and version "3.2"		-		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				3.3 Search vendor "Freebsd" for product "Freebsd" and version "3.3"		-		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				3.4 Search vendor "Freebsd" for product "Freebsd" and version "3.4"		-		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				3.5 Search vendor "Freebsd" for product "Freebsd" and version "3.5"		-		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				4.0 Search vendor "Freebsd" for product "Freebsd" and version "4.0"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				1.4 Search vendor "Netbsd" for product "Netbsd" and version "1.4"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				1.4.1 Search vendor "Netbsd" for product "Netbsd" and version "1.4.1"		-		Affected
Netbsd Search vendor "Netbsd"		Netbsd Search vendor "Netbsd" for product "Netbsd"				1.4.2 Search vendor "Netbsd" for product "Netbsd" and version "1.4.2"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.3 Search vendor "Openbsd" for product "Openbsd" and version "2.3"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.4 Search vendor "Openbsd" for product "Openbsd" and version "2.4"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.5 Search vendor "Openbsd" for product "Openbsd" and version "2.5"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.6 Search vendor "Openbsd" for product "Openbsd" and version "2.6"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.7 Search vendor "Openbsd" for product "Openbsd" and version "2.7"		-		Affected