Red Hat alert: Updated Gaim packages fix various vulnerabiliies
Updated Gaim packages that fix a number of serious vulnerabilities are now
available.
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Red Hat Security Advisory
Synopsis: Updated Gaim packages fix various vulnerabiliies
Advisory ID: RHSA-2004:033-01
Issue date: 2004-01-19
Updated on: 2004-01-23
Product: Red Hat Enterprise Linux
Keywords: gaim im
Cross references:
Obsoletes:
CVE Names: CAN-2004-0006 CAN-2004-0007 CAN-2004-0008
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1. Topic:
Updated Gaim packages that fix a number of serious vulnerabilities are now
available.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux ES version 3 - i386
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64
3. Problem description:
Gaim is an instant messenger client that can handle multiple protocols.
Stefan Esser audited the Gaim source code and found a number of bugs that
have security implications. Due to the nature of instant messaging many of
these bugs require man-in-the-middle attacks between client and server.
However at least one of the buffer overflows could be exploited by an
attacker sending a carefully-constructed malicious message through a server.
The issues include:
Multiple buffer overflows that affect versions of Gaim 0.75 and earlier.
1) When parsing cookies in a Yahoo web connection, 2) YMSG protocol
overflows parsing the Yahoo login webpage, 3) a YMSG packet overflow, 4)
flaws in the URL parser, and 5) flaws in HTTP Proxy connect. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2004-0006 to these issues.
A buffer overflow in Gaim 0.74 and earlier in the Extract Info
Field Function used for MSN and YMSG protocol handlers. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2004-0007 to this issue.
An integer overflow in Gaim 0.74 and earlier, when allocating
memory for a directIM packet results in heap overflow.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2004-0008 to this issue.
All users of Gaim should upgrade to these erratum packages, which contain
backported security patches correcting these issues.
Red Hat would like to thank Steffan Esser for finding and reporting these
issues and Jacques A. Vidrine for providing initial patches.
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. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):
113844 - CAN-2004-0006/7/8 Multiple vulnerabilities in Gaim
6. RPMs required:
Red Hat Enterprise Linux AS version 3:
SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/gaim-0.75-3.2.0.src.rpm
i386:
Available from Red Hat Network: gaim-0.75-3.2.0.i386.rpm
ia64:
Available from Red Hat Network: gaim-0.75-3.2.0.ia64.rpm
ppc:
Available from Red Hat Network: gaim-0.75-3.2.0.ppc.rpm
s390:
Available from Red Hat Network: gaim-0.75-3.2.0.s390.rpm
s390x:
Available from Red Hat Network: gaim-0.75-3.2.0.s390x.rpm
x86_64:
Available from Red Hat Network: gaim-0.75-3.2.0.x86_64.rpm
Red Hat Enterprise Linux ES version 3:
SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/gaim-0.75-3.2.0.src.rpm
i386:
Available from Red Hat Network: gaim-0.75-3.2.0.i386.rpm
Red Hat Enterprise Linux WS version 3:
SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/gaim-0.75-3.2.0.src.rpm
i386:
Available from Red Hat Network: gaim-0.75-3.2.0.i386.rpm
ia64:
Available from Red Hat Network: gaim-0.75-3.2.0.ia64.rpm
x86_64:
Available from Red Hat Network: gaim-0.75-3.2.0.x86_64.rpm
7. Verification:
MD5 sum Package Name
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34745b0278860dea3955def1baae9099 3AS/en/os/SRPMS/gaim-0.75-3.2.0.src.rpm
634c9c7920c3bd4f9388ce897e4ec32c 3AS/en/os/i386/gaim-0.75-3.2.0.i386.rpm
bf58b9cc157eead64e2042c3890460f2 3AS/en/os/ia64/gaim-0.75-3.2.0.ia64.rpm
f1c696776c193bbde5e76e863b28cf8a 3AS/en/os/ppc/gaim-0.75-3.2.0.ppc.rpm
12de6c48bce4214fdc5d8f6e4be10cff 3AS/en/os/s390/gaim-0.75-3.2.0.s390.rpm
d0e8f27f9718149b95cf932c24bf878f 3AS/en/os/s390x/gaim-0.75-3.2.0.s390x.rpm
5efcb157773bd474690dcfac788eba40 3AS/en/os/x86_64/gaim-0.75-3.2.0.x86_64.rpm
34745b0278860dea39
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