packet.c in ssh in OpenSSH allows remote attackers to cause...

Vulnerability Description

packet.c in ssh in OpenSSH allows remote attackers to cause a denial of service (crash) by sending an invalid protocol sequence with USERAUTH_SUCCESS before NEWKEYS, which causes newkeys[mode] to be NULL.

References

• http://secunia.com/advisories/23038
• http://www.securityfocus.com/archive/1/447861/100/200/threaded
• http://www.novell.com/linux/security/advisories/2006_24_sr.html
• http://www.novell.com/linux/security/advisories/2006_62_openssh.html
• https://issues.rpath.com/browse/RPL-681
• http://secunia.com/advisories/22298
• http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h
• http://secunia.com/advisories/22495
• http://www.securityfocus.com/archive/1/447153/100/0/threaded
• http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
• http://secunia.com/advisories/22245
• https://issues.rpath.com/browse/RPL-661
• http://bugs.gentoo.org/show_bug.cgi?id=148228
• http://www.mandriva.com/security/advisories?name=MDKSA-2006:179