CVE-2002-0638

Description

setpwnam.c in the util-linux package, as included in Red Hat Linux 7.3 and earlier, and other operating systems, does not properly lock a temporary file when modifying /etc/passwd, which may allow local users to gain privileges via a complex race condition that uses an open file descriptor in utility programs such as chfn and chsh.

Risk Information

Base Score

7.0

MODERATE

Vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.085

Associated Vulnerability

Vulnerability	OS Platform
Multiple Vulnerabilities affected in secure_os 1.0-linux	NCM
CVE-2002-0638	NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234