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- 6. By Martin Pitt
-
* SECURITY UPDATE: Remote DoS.
* CVE-2006-4924: Fix a pre-authentication denial of service found by
Tavis Ormandy, that would cause sshd(8) to spin until the login grace
time expired.
Upstream fixes:
http://www.openbsd. org/cgi- bin/cvsweb/ src/usr. bin/ssh/ deattack. c.diff? r1=1.29& r2=1.30& sortby= date&f= h
http://www.openbsd. org/cgi- bin/cvsweb/ src/usr. bin/ssh/ packet. c.diff? r1=1.143& r2=1.144& sortby= date&f= h
http://www.openbsd. org/cgi- bin/cvsweb/ src/usr. bin/ssh/ deattack. h.diff? r1=1.9& r2=1.10& sortby= date&f= h
* Fix an unsafe signal hander reported by Mark Dowd. The
signal handler was vulnerable to a race condition that could be
exploited to perform a pre-authentication denial of service. [CVE-2006-5051]
On portable OpenSSH, this vulnerability could theoretically lead to
pre-authentication remote code execution if GSSAPI authentication is
enabled, but the likelihood of successful exploitation appears remote.
[CVE-2006-5052]
* Above patches taken from Debian's 4.3p2-4 version, thanks to Colin Watson
for backporting them from 4.4p1. - 5. By Martin Pitt
-
* SECURITY UPDATE: Shell code injection with crafted file names in scp.
* Ported upstream patch from 4.3p2 to replace system() call with a proper
exec() call; this avoids expanding shell metacharacters in local-to-local
or remote-to-remote copies.
* CVE-2006-0225 - 4. By Martin Pitt
-
* SECURITY UPDATE: Information disclosure.
* gss-serv.c, sshconnect2.c: Do not delegate GSSAPI credentials to log in
with a different method than GSSAPI.
* CAN-2005-2798 - 3. By Colin Watson
-
Don't ask unnecessary and misplaced ssh/forward_warning debconf note
(closes: Ubuntu #7363). - 2. By Colin Watson
-
* Nathaniel McCallum:
- debian/openssh- server. init: pretty initscript
- debian/control: versioned depend on lsb-base
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