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             AUSCERT External Security Bulletin Redistribution

                ESB-2006.0543 -- [Win][UNIX/Linux][RedHat]
                      Moderate: gnupg security update
                               3 August 2006

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              GnuPG versions 1.4.4 and prior
Publisher:            Red Hat
Operating System:     Red Hat Enterprise Linux AS/ES/WS 4
                      Red Hat Enterprise Linux Desktop 4
                      Red Hat Enterprise Linux AS/ES/WS 3
                      Red Hat Desktop 3
                      Red Hat Enterprise Linux AS/ES/WS 2.1
                      Red Hat Linux Advanced Workstation 2.1
                      UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Execute Arbitrary Code/Commands
                      Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-3746

Original Bulletin:    
https://rhn.redhat.com/errata/RHSA-2006-0615.html
http://lists.gnupg.org/pipermail/gnupg-announce/2006q3/000229.html

Comment: This advisory references vulnerabilities in products which run on
         platforms other than Red Hat. It is recommended that
         administrators running GnuPG check for an updated version of the
         software for their operating system.
         
         From the GnuPG announcement (for the complete post, see the above
         URLs):
         
         "Fixed 2 more possible memory allocation attacks.  They are similar
         to the problem we fixed with 1.4.4.  This bug can easily be be
         exploted [sic] for a DoS; remote code execution is not entirely
         impossible."
         
         However, AusCERT is not aware of any public proof of concept code
         or active exploitation of this vulnerability.

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                   Red Hat Security Advisory

Synopsis:          Moderate: gnupg security update
Advisory ID:       RHSA-2006:0615-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2006-0615.html
Issue date:        2006-08-02
Updated on:        2006-08-02
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2006-3746 
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1. Summary:

Updated GnuPG packages that fix a security issue is now available.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Problem description:

GnuPG is a utility for encrypting data and creating digital signatures.

An integer overflow flaw was found in GnuPG. An attacker could create a
carefully crafted message packet with a large length that could cause GnuPG
to crash or possibly overwrite memory when opened. (CVE-2006-3746)

All users of GnuPG are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via Red Hat Network.  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.

5. Bug IDs fixed (http://bugzilla.redhat.com/):

200502 - CVE-2006-3746 GnuPG Parse_Comment Remote Buffer Overflow

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/gnupg-1.0.7-18.src.rpm
7b3112bfc84dafe30c00070c8cb09700  gnupg-1.0.7-18.src.rpm

i386:
958a64d9ec82066ab08da445199f6e75  gnupg-1.0.7-18.i386.rpm

ia64:
0eae4ff0de57c02ed733997444eaf7bc  gnupg-1.0.7-18.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/gnupg-1.0.7-18.src.rpm
7b3112bfc84dafe30c00070c8cb09700  gnupg-1.0.7-18.src.rpm

ia64:
0eae4ff0de57c02ed733997444eaf7bc  gnupg-1.0.7-18.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/gnupg-1.0.7-18.src.rpm
7b3112bfc84dafe30c00070c8cb09700  gnupg-1.0.7-18.src.rpm

i386:
958a64d9ec82066ab08da445199f6e75  gnupg-1.0.7-18.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/gnupg-1.0.7-18.src.rpm
7b3112bfc84dafe30c00070c8cb09700  gnupg-1.0.7-18.src.rpm

i386:
958a64d9ec82066ab08da445199f6e75  gnupg-1.0.7-18.i386.rpm

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/gnupg-1.2.1-17.src.rpm
698a43061ce89f27bcd46eabd6f51230  gnupg-1.2.1-17.src.rpm

i386:
65fee1a3a471eb6c8e214ccef7bfe3fe  gnupg-1.2.1-17.i386.rpm
bf6baa7dc4770b8888cc72076e3b4e90  gnupg-debuginfo-1.2.1-17.i386.rpm

ia64:
c1191a75f9ae45290f1c4524f2496a6c  gnupg-1.2.1-17.ia64.rpm
c010ba3562713a56b6206f16a4414dbb  gnupg-debuginfo-1.2.1-17.ia64.rpm

ppc:
ce9d270a17b85a449bd6edc71ca6e10b  gnupg-1.2.1-17.ppc.rpm
c4913dbb57e4c66d788420f3cb0a0382  gnupg-debuginfo-1.2.1-17.ppc.rpm

s390:
580852ff5bbef0d3a7c24abca0e3610c  gnupg-1.2.1-17.s390.rpm
7583e08411dc1ab071a011a131331250  gnupg-debuginfo-1.2.1-17.s390.rpm

s390x:
e9d583a9471b453ce627e84dca5a9ccc  gnupg-1.2.1-17.s390x.rpm
1a976fb4dc5cb4f5a5fee40e4e258b0a  gnupg-debuginfo-1.2.1-17.s390x.rpm

x86_64:
258bae860c6fb917cf800fd3c1a18478  gnupg-1.2.1-17.x86_64.rpm
fe7381706fbf8de0796e40d63a3ea7f5  gnupg-debuginfo-1.2.1-17.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/gnupg-1.2.1-17.src.rpm
698a43061ce89f27bcd46eabd6f51230  gnupg-1.2.1-17.src.rpm

i386:
65fee1a3a471eb6c8e214ccef7bfe3fe  gnupg-1.2.1-17.i386.rpm
bf6baa7dc4770b8888cc72076e3b4e90  gnupg-debuginfo-1.2.1-17.i386.rpm

x86_64:
258bae860c6fb917cf800fd3c1a18478  gnupg-1.2.1-17.x86_64.rpm
fe7381706fbf8de0796e40d63a3ea7f5  gnupg-debuginfo-1.2.1-17.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/gnupg-1.2.1-17.src.rpm
698a43061ce89f27bcd46eabd6f51230  gnupg-1.2.1-17.src.rpm

i386:
65fee1a3a471eb6c8e214ccef7bfe3fe  gnupg-1.2.1-17.i386.rpm
bf6baa7dc4770b8888cc72076e3b4e90  gnupg-debuginfo-1.2.1-17.i386.rpm

ia64:
c1191a75f9ae45290f1c4524f2496a6c  gnupg-1.2.1-17.ia64.rpm
c010ba3562713a56b6206f16a4414dbb  gnupg-debuginfo-1.2.1-17.ia64.rpm

x86_64:
258bae860c6fb917cf800fd3c1a18478  gnupg-1.2.1-17.x86_64.rpm
fe7381706fbf8de0796e40d63a3ea7f5  gnupg-debuginfo-1.2.1-17.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/gnupg-1.2.1-17.src.rpm
698a43061ce89f27bcd46eabd6f51230  gnupg-1.2.1-17.src.rpm

i386:
65fee1a3a471eb6c8e214ccef7bfe3fe  gnupg-1.2.1-17.i386.rpm
bf6baa7dc4770b8888cc72076e3b4e90  gnupg-debuginfo-1.2.1-17.i386.rpm

ia64:
c1191a75f9ae45290f1c4524f2496a6c  gnupg-1.2.1-17.ia64.rpm
c010ba3562713a56b6206f16a4414dbb  gnupg-debuginfo-1.2.1-17.ia64.rpm

x86_64:
258bae860c6fb917cf800fd3c1a18478  gnupg-1.2.1-17.x86_64.rpm
fe7381706fbf8de0796e40d63a3ea7f5  gnupg-debuginfo-1.2.1-17.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/gnupg-1.2.6-6.src.rpm
55db2b04516f48422fe35be762cfbe80  gnupg-1.2.6-6.src.rpm

i386:
41a2ad79f2fe8507b66405400735211a  gnupg-1.2.6-6.i386.rpm
1770ee4a1c053b67abf3786d9d9ba439  gnupg-debuginfo-1.2.6-6.i386.rpm

ia64:
bd78ca4648898a9d78ac79fc81a0b604  gnupg-1.2.6-6.ia64.rpm
de3ee6ff3e0d5d2af24bf35a98616ee6  gnupg-debuginfo-1.2.6-6.ia64.rpm

ppc:
8aa392d26563d4b4654e7a379503614a  gnupg-1.2.6-6.ppc.rpm
49a168e70b1207bcf611cb78fb652709  gnupg-debuginfo-1.2.6-6.ppc.rpm

s390:
db61ab7f02568b32b6cc898f09f02276  gnupg-1.2.6-6.s390.rpm
5955670bfc5e3c30d6f4fb66ea230430  gnupg-debuginfo-1.2.6-6.s390.rpm

s390x:
cc2f486af4a032b4aa8663f2b66f5dcd  gnupg-1.2.6-6.s390x.rpm
a1c0388758e97ba28a24e885acb9e498  gnupg-debuginfo-1.2.6-6.s390x.rpm

x86_64:
2df9a26aa1f740d903a223973d815306  gnupg-1.2.6-6.x86_64.rpm
f97142aaca22b2f64c89b0c9bcf1d535  gnupg-debuginfo-1.2.6-6.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/gnupg-1.2.6-6.src.rpm
55db2b04516f48422fe35be762cfbe80  gnupg-1.2.6-6.src.rpm

i386:
41a2ad79f2fe8507b66405400735211a  gnupg-1.2.6-6.i386.rpm
1770ee4a1c053b67abf3786d9d9ba439  gnupg-debuginfo-1.2.6-6.i386.rpm

x86_64:
2df9a26aa1f740d903a223973d815306  gnupg-1.2.6-6.x86_64.rpm
f97142aaca22b2f64c89b0c9bcf1d535  gnupg-debuginfo-1.2.6-6.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/gnupg-1.2.6-6.src.rpm
55db2b04516f48422fe35be762cfbe80  gnupg-1.2.6-6.src.rpm

i386:
41a2ad79f2fe8507b66405400735211a  gnupg-1.2.6-6.i386.rpm
1770ee4a1c053b67abf3786d9d9ba439  gnupg-debuginfo-1.2.6-6.i386.rpm

ia64:
bd78ca4648898a9d78ac79fc81a0b604  gnupg-1.2.6-6.ia64.rpm
de3ee6ff3e0d5d2af24bf35a98616ee6  gnupg-debuginfo-1.2.6-6.ia64.rpm

x86_64:
2df9a26aa1f740d903a223973d815306  gnupg-1.2.6-6.x86_64.rpm
f97142aaca22b2f64c89b0c9bcf1d535  gnupg-debuginfo-1.2.6-6.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/gnupg-1.2.6-6.src.rpm
55db2b04516f48422fe35be762cfbe80  gnupg-1.2.6-6.src.rpm

i386:
41a2ad79f2fe8507b66405400735211a  gnupg-1.2.6-6.i386.rpm
1770ee4a1c053b67abf3786d9d9ba439  gnupg-debuginfo-1.2.6-6.i386.rpm

ia64:
bd78ca4648898a9d78ac79fc81a0b604  gnupg-1.2.6-6.ia64.rpm
de3ee6ff3e0d5d2af24bf35a98616ee6  gnupg-debuginfo-1.2.6-6.ia64.rpm

x86_64:
2df9a26aa1f740d903a223973d815306  gnupg-1.2.6-6.x86_64.rpm
f97142aaca22b2f64c89b0c9bcf1d535  gnupg-debuginfo-1.2.6-6.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3746
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2006 Red Hat, Inc.
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