CVE-2007-3999

Name	CVE-2007-3999
Description	Stack-based buffer overflow in the svcauth_gss_validate function in lib/rpc/svc_auth_gss.c in the RPCSEC_GSS RPC library (librpcsecgss) in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and some third-party applications that use krb5, allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long string in an RPC message.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-1367-1, DSA-1368-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
krb5 (PTS)	bullseye (security), bullseye	1.18.3-6+deb11u5	fixed
	bookworm, bookworm (security)	1.20.1-2+deb12u2	fixed
	sid, trixie	1.21.3-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
krb5	source	sarge	(not affected)
krb5	source	etch	1.4.4-7etch4		DSA-1367-1
krb5	source	(unstable)	1.6.dfsg.1-7	high
librpcsecgss	source	etch	0.14-2etch1		DSA-1368-1
librpcsecgss	source	(unstable)	0.14-3

[sarge] - krb5 <not-affected> (Vulnerable code not present)