CVE-2000-0993 EXPLOIT
7.2
HIGH · CVSS 2.0 · EPSS 1.7% (pctl 76)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 7.2 (HIGH, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 1.67% — more likely to be exploited than 76% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2000-12-19 |
| Last modified | 2026-09-23 |
Affected (3)
| Vendor | Product |
|---|---|
| freebsd | freebsd |
| netbsd | netbsd |
| openbsd | openbsd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | BSD chpass - 'pw_error(3)' Local Privilege Escalation | 2001-01-12 |
References
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc
- ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc
- http://marc.info/?l=bugtraq&m=97068555106135&w=2
- http://www.openbsd.org/errata27.html#pw_error
- http://www.securityfocus.com/bid/1744
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5339
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc
- ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc
- http://marc.info/?l=bugtraq&m=97068555106135&w=2
- http://www.openbsd.org/errata27.html#pw_error
- http://www.securityfocus.com/bid/1744
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5339
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