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.

6.2

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.08%

Vendor Advisory caldera.com Vendor Advisory linux-mandrake.com Vendor Advisory redhat.com Vendor Advisory com.br Vendor Advisory securityfocus.com Vendor Advisory redhat.com

Affected: n/a n/a

References

Link	Tags
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-043.0.txt	vendor advisory
http://www.securityfocus.com/bid/5344	vdb entry
http://www.iss.net/security_center/static/9709.php	vdb entry
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-047.php	vendor advisory
http://rhn.redhat.com/errata/RHSA-2002-132.html	patch vendor advisory
http://www.kb.cert.org/vuls/id/405955	patch third party advisory us government resource
http://archives.neohapsis.com/archives/bugtraq/2002-07/0357.html	mailing list
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000523	vendor advisory
http://online.securityfocus.com/advisories/4320	vendor advisory
http://archives.neohapsis.com/archives/bugtraq/2002-07/0396.html	mailing list
http://marc.info/?l=bugtraq&m=102795787713996&w=2	mailing list
http://www.redhat.com/support/errata/RHSA-2002-137.html	vendor advisory
http://www.osvdb.org/5164	vdb entry

Frequently Asked Questions

What is the severity of CVE-2002-0638?: CVE-2002-0638 has been scored as a medium severity vulnerability.
How to fix CVE-2002-0638?: To fix CVE-2002-0638, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2002-0638 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2002-0638 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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