CVE-2007-5686

Name	CVE-2007-5686
Description	initscripts in rPath Linux 1 sets insecure permissions for the /var/log/btmp file, which allows local users to obtain sensitive information regarding authentication attempts. NOTE: because sshd detects the insecure permissions and does not log certain events, this also prevents sshd from logging failed authentication attempts by remote attackers.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
shadow (PTS)	buster	1:4.5-1.1	vulnerable
	bullseye	1:4.8.1-1	vulnerable
	bookworm, sid	1:4.13+dfsg1-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
shadow	source	(unstable)	(unfixed)	unimportant

See #290803, on Debian LOG_UNKFAIL_ENAB in login.defs is set to no so
unknown usernames are not recorded on login failures