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Red Hat Security Advisory
Synopsis: Updated OpenSSH packages fix potential vulnerability
Advisory ID: RHSA-2003:279-01
Issue date: 2003-09-16
Updated on: 2003-09-16
Product: Red Hat Linux
Keywords:
Cross references:
Obsoletes: RHSA-2003:222
CVE Names: CAN-2003-0693
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1. Topic:
Updated OpenSSH packages are now available that fix a bug that may be
remotely exploitable.
2. Relevant releases/architectures:
Red Hat Linux 7.1 - i386
Red Hat Linux 7.2 - i386, ia64
Red Hat Linux 7.3 - i386
Red Hat Linux 8.0 - i386
Red Hat Linux 9 - i386
3. Problem description:
OpenSSH is a suite of network connectivity tools that can be used to
establish encrypted connections between systems on a network and can
provide interactive login sessions and port forwarding, among other functions.
The OpenSSH team has announced a bug which affects the OpenSSH buffer
handling code. This bug has the potential of being remotely exploitable.
All users of OpenSSH should immediately apply this update which contains a
backported fix for this issue.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
If up2date fails to connect to Red Hat Network due to SSL Certificate
Errors, you need to install a version of the up2date client with an updated
certificate. The latest version of up2date is available from the Red Hat
FTP site and may also be downloaded directly from the RHN website:
https://rhn.redhat.com/help/latest-up2date.pxt
5. RPMs required:
Red Hat Linux 7.1:
SRPMS:
ftp://updates.redhat.com/7.1/en/os/SRPMS/openssh-3.1p1-9.src.rpm
i386:
ftp://updates.redhat.com/7.1/en/os/i386/openssh-3.1p1-9.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/openssh-clients-3.1p1-9.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/openssh-server-3.1p1-9.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/openssh-askpass-3.1p1-9.i386.rpm
ftp://updates.redhat.com/7.1/en/os/i386/openssh-askpass-gnome-3.1p1-9.i386.rpm
Red Hat Linux 7.2:
SRPMS:
ftp://updates.redhat.com/7.2/en/os/SRPMS/openssh-3.1p1-10.src.rpm
i386:
ftp://updates.redhat.com/7.2/en/os/i386/openssh-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/openssh-clients-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/openssh-server-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/openssh-askpass-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.2/en/os/i386/openssh-askpass-gnome-3.1p1-10.i386.rpm
ia64:
ftp://updates.redhat.com/7.2/en/os/ia64/openssh-3.1p1-10.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/openssh-clients-3.1p1-10.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/openssh-server-3.1p1-10.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/openssh-askpass-3.1p1-10.ia64.rpm
ftp://updates.redhat.com/7.2/en/os/ia64/openssh-askpass-gnome-3.1p1-10.ia64.rpm
Red Hat Linux 7.3:
SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/openssh-3.1p1-10.src.rpm
i386:
ftp://updates.redhat.com/7.3/en/os/i386/openssh-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/openssh-clients-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/openssh-server-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/openssh-askpass-3.1p1-10.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/openssh-askpass-gnome-3.1p1-10.i386.rpm
Red Hat Linux 8.0:
SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/openssh-3.4p1-5.src.rpm
i386:
ftp://updates.redhat.com/8.0/en/os/i386/openssh-3.4p1-5.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/openssh-clients-3.4p1-5.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/openssh-server-3.4p1-5.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/openssh-askpass-3.4p1-5.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/openssh-askpass-gnome-3.4p1-5.i386.rpm
Red Hat Linux 9:
SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/openssh-3.5p1-9.src.rpm
i386:
ftp://updates.redhat.com/9/en/os/i386/openssh-3.5p1-9.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openssh-clients-3.5p1-9.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openssh-server-3.5p1-9.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openssh-askpass-3.5p1-9.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/openssh-askpass-gnome-3.5p1-9.i386.rpm
6. Verification:
MD5 sum Package Name
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68c4a788b259ac5d80696344a1635238 7.1/en/os/SRPMS/openssh-3.1p1-9.src.rpm
2cb116a25b5d3f2ae0290c2b02eb822a 7.1/en/os/i386/openssh-3.1p1-9.i386.rpm
8871705678463c84f5bac0d7e314c51d 7.1/en/os/i386/openssh-askpass-3.1p1-9.i386.rpm
d40669604c1003d5fa56a0fe8f5f259f 7.1/en/os/i386/openssh-askpass-gnome-3.1p1-9.i386.rpm
ad58192a0988ae2ba28303892344dc15 7.1/en/os/i386/openssh-clients-3.1p1-9.i386.rpm
275ab4661dfef3d2331a044723728ba8 7.1/en/os/i386/openssh-server-3.1p1-9.i386.rpm
8a643b9a1c2081510494bcfe81d704da 7.2/en/os/SRPMS/openssh-3.1p1-10.src.rpm
41d575bf0e8740dea7be6f228cd49a06 7.2/en/os/i386/openssh-3.1p1-10.i386.rpm
4b768a29889a977e780f40829767f139 7.2/en/os/i386/openssh-askpass-3.1p1-10.i386.rpm
c6ade41287005e1bc3e773d489571b2f 7.2/en/os/i386/openssh-askpass-gnome-3.1p1-10.i386.rpm
ac2a157d5527b94629b393709dafee88 7.2/en/os/i386/openssh-clients-3.1p1-10.i386.rpm
dfd86218d209c998c1f5877470e08ee3 7.2/en/os/i386/openssh-server-3.1p1-10.i386.rpm
35ed02df36d62ae2ae388bdb1a2fde8b 7.2/en/os/ia64/openssh-3.1p1-10.ia64.rpm
00efc09f44de8e8757ed002b1c8f33d1 7.2/en/os/ia64/openssh-askpass-3.1p1-10.ia64.rpm
0a08a3bf5bdd95fb718c9f588aeb19a5 7.2/en/os/ia64/openssh-askpass-gnome-3.1p1-10.ia64.rpm
ad1d2c29d579622abeb9aaddc3ba2205 7.2/en/os/ia64/openssh-clients-3.1p1-10.ia64.rpm
baa9c271eea7d6d3d49fc14d4cc6cd20 7.2/en/os/ia64/openssh-server-3.1p1-10.ia64.rpm
8a643b9a1c2081510494bcfe81d704da 7.3/en/os/SRPMS/openssh-3.1p1-10.src.rpm
41d575bf0e8740dea7be6f228cd49a06 7.3/en/os/i386/openssh-3.1p1-10.i386.rpm
4b768a29889a977e780f40829767f139 7.3/en/os/i386/openssh-askpass-3.1p1-10.i386.rpm
c6ade41287005e1bc3e773d489571b2f 7.3/en/os/i386/openssh-askpass-gnome-3.1p1-10.i386.rpm
ac2a157d5527b94629b393709dafee88 7.3/en/os/i386/openssh-clients-3.1p1-10.i386.rpm
dfd86218d209c998c1f5877470e08ee3 7.3/en/os/i386/openssh-server-3.1p1-10.i386.rpm
9b0e321ba85cb0d0d92aa8d2215b660b 8.0/en/os/SRPMS/openssh-3.4p1-5.src.rpm
98eec1cabf75d33b4dab5cbcc1fa3916 8.0/en/os/i386/openssh-3.4p1-5.i386.rpm
40a5f106abe732b2de667d8eea533bfb 8.0/en/os/i386/openssh-askpass-3.4p1-5.i386.rpm
2d7066401fdffdc33d8432c5a6e15bf2 8.0/en/os/i386/openssh-askpass-gnome-3.4p1-5.i386.rpm
437bf2bd207673ce3ab9632e6c862972 8.0/en/os/i386/openssh-clients-3.4p1-5.i386.rpm
b1d6e055c373770fac486b1c32b1110b 8.0/en/os/i386/openssh-server-3.4p1-5.i386.rpm
7b1cf7bfc16af8675fef75f1c82825ca 9/en/os/SRPMS/openssh-3.5p1-9.src.rpm
42127cbc814679cefd1db11265eb2ded 9/en/os/i386/openssh-3.5p1-9.i386.rpm
301a68bc432e7ac55f847edbb30b4741 9/en/os/i386/openssh-askpass-3.5p1-9.i386.rpm
baeb84c227233c05d5b6e9e3bc1bdd3d 9/en/os/i386/openssh-askpass-gnome-3.5p1-9.i386.rpm
78188bca46a3ccbba67d1040f42e3c07 9/en/os/i386/openssh-clients-3.5p1-9.i386.rpm
2233bfd17074fd127dac4f47b57e905c 9/en/os/i386/openssh-server-3.5p1-9.i386.rpm
These packages are GPG signed by Red Hat for security. Our key is
available from https://www.redhat.com/security/keys.html
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
md5sum <filename>
7. References:
http://marc.theaimsgroup.com/?l=openbsd-misc&m=106371592604940
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0693
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/solutions/security/news/contact.html
Copyright 2003 Red Hat, Inc.
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