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CVE-2002-0638

UnknownEPSS 0.53%

Last modified

CVE-2002-0638 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.53%

40.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MandrakesoftMandrake Single Network Firewall7.2
HpSecure Os1.0
MandrakesoftMandrake Linux7.0
MandrakesoftMandrake Linux7.1
MandrakesoftMandrake Linux7.2
MandrakesoftMandrake Linux8.0
MandrakesoftMandrake Linux8.1
MandrakesoftMandrake Linux8.2
MandrakesoftMandrake Linux Corporate Server1.0.1
RedhatLinux6.0
RedhatLinux6.1
RedhatLinux6.2
RedhatLinux7.0
RedhatLinux7.1
RedhatLinux7.2
RedhatLinux7.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2002-0638?
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.
How severe is CVE-2002-0638?
Severity scoring for CVE-2002-0638 is pending analysis. The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2002-0638?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST