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Family: Gentoo Local Security Checks --> Category: infos
[GLSA-200411-09] shadow: Unauthorized modification of account information Vulnerability Scan
Vulnerability Scan Summary
shadow: Unauthorized modification of account information
Detailed Explanation for this Vulnerability Test
The remote host is affected by the vulnerability described in GLSA-200411-09
(shadow: Unauthorized modification of account information)
Martin Schulze reported a flaw in the passwd_check() function in
"libmisc/pwdcheck.c" which is used by chfn and chsh.
Impact
A logged-in local user with an expired password may be able to use chfn and
chsh to change his standard shell or GECOS information (full name, phone
number...) without being required to change his password.
Workaround
There is no known workaround at this time.
References:
http://ftp.pld.org.pl/software/shadow/NEWS
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1001
Solution:
All shadow users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.0.5-r1"
Threat Level: Low
Click HERE for more information and discussions on this network vulnerability scan.
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