Advisories

Mandriva Advisories

Package name vnc Date February 24th, 2003 Advisory ID MDKSA-2003:022 Affected versions 7.2, 8.0, 8.1, 8.2, 9.0 Synopsis Updated vnc packages fix cookie vulnerability

Problem Description

A vulnerability was discovered in the VNC server script that generates
an X cookie, used by X authentication. The script generated a cookie
that was not strong enough and allow an attacker to more easily guess
the authentication cookie, thus obtaining unauthorized access to the
VNC server.

Updated Packages

Mandrakelinux 7.2

 3146c4c6f64e384c33a9aff0eeb5d819  7.2/RPMS/vnc-3.3.3-8.4mdk.i586.rpm
826b6681f74eea28f844efbf08067117  7.2/RPMS/vnc-SVGALIB-3.3.3-8.4mdk.i586.rpm
fee03f7e22977810ea4f018b561ede78  7.2/RPMS/vnc-doc-3.3.3-8.4mdk.i586.rpm
f099ce837a6838a17d321ba3f1543d54  7.2/RPMS/vnc-java-3.3.3-8.4mdk.i586.rpm
a4aeb3e5a50688b5dee76716528703e1  7.2/RPMS/vnc-server-3.3.3-8.4mdk.i586.rpm
01c9676892a4c7f724c80a7f36cc9d96  7.2/SRPMS/vnc-3.3.3-8.4mdk.src.rpm

Mandrakelinux 8.0

 a1e0d6fba2678688b695e76f501c656d  8.0/RPMS/vnc-3.3.3r2-9.3mdk.i586.rpm
61c63cf9ebc8bd6deabeb5c2d7a56903  8.0/RPMS/vnc-doc-3.3.3r2-9.3mdk.i586.rpm
87748c719607d908bbfa0021e898b6ba  8.0/RPMS/vnc-server-3.3.3r2-9.3mdk.i586.rpm
a697960631f10567977554f368ed57aa  8.0/SRPMS/vnc-3.3.3r2-9.3mdk.src.rpm

Mandrakelinux 8.0/PPC

 b9da27a8401ca2278c1b2fe10ef77f51  ppc/8.0/RPMS/vnc-3.3.3r2-9.3mdk.ppc.rpm
6c24c434f74d1d6f51eb27acfcf6fef5  ppc/8.0/RPMS/vnc-doc-3.3.3r2-9.3mdk.ppc.rpm
9b3a85dc77b6f146669f567e1c2e3d61  ppc/8.0/RPMS/vnc-server-3.3.3r2-9.3mdk.ppc.rpm
a697960631f10567977554f368ed57aa  ppc/8.0/SRPMS/vnc-3.3.3r2-9.3mdk.src.rpm

Mandrakelinux 8.1

 37db17f12f368152cac0db078a6fcf63  8.1/RPMS/vnc-3.3.3r2-9.3mdk.i586.rpm
07e4998f3e4e57d80330afa1f5579fee  8.1/RPMS/vnc-doc-3.3.3r2-9.3mdk.i586.rpm
1ff141c77d1e6439b43f9c203b5d9bc3  8.1/RPMS/vnc-server-3.3.3r2-9.3mdk.i586.rpm
a697960631f10567977554f368ed57aa  8.1/SRPMS/vnc-3.3.3r2-9.3mdk.src.rpm

Mandrakelinux 8.2

 fcaaa5381979c8a73194adc274d00b23  8.2/RPMS/vnc-3.3.3r2-9.3mdk.i586.rpm
1317fa06ad1a64e0ebe951a8c44e0daf  8.2/RPMS/vnc-doc-3.3.3r2-9.3mdk.i586.rpm
dbaceafa1acc5cbb708800938a13c37d  8.2/RPMS/vnc-server-3.3.3r2-9.3mdk.i586.rpm
a697960631f10567977554f368ed57aa  8.2/SRPMS/vnc-3.3.3r2-9.3mdk.src.rpm

Mandrakelinux 8.2/PPC

 679f88500ff0452d1ef3fa98cd7ca837  ppc/8.2/RPMS/vnc-3.3.3r2-9.3mdk.ppc.rpm
73ab0495076b2603ad18075d4f95ea6e  ppc/8.2/RPMS/vnc-doc-3.3.3r2-9.3mdk.ppc.rpm
62bfabb7b446495a0062e644507f1c72  ppc/8.2/RPMS/vnc-server-3.3.3r2-9.3mdk.ppc.rpm
a697960631f10567977554f368ed57aa  ppc/8.2/SRPMS/vnc-3.3.3r2-9.3mdk.src.rpm

Mandrakelinux 9.0

 a9f223e4a2515a02801f00a5ecaaa792  9.0/RPMS/tightvnc-1.2.5-2.3mdk.i586.rpm
5a62077d52ccb402a73779712337413b  9.0/RPMS/tightvnc-doc-1.2.5-2.3mdk.i586.rpm
6256fa31a62c35b5b2684ae0f43810fd  9.0/RPMS/tightvnc-server-1.2.5-2.3mdk.i586.rpm
334a42a6597253d6facdc09dcddd21b7  9.0/SRPMS/tightvnc-1.2.5-2.3mdk.src.rpm

References

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1336
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1511
http://marc.theaimsgroup.com/?l=bugtraq&m=102753170201524

Upgrade

To upgrade automatically, use MandrivaUpdate.

Verification

Please verify the update prior to upgrading to ensure the integrity of the downloaded package. You can do this with the command :

                rpm --checksig package.rpm
                

You can get the GPG public key of the Mandriva Security Team to verify the GPG signature of each RPM.

If you use MandrivaUpdate, the verification of md5 checksum and GPG signature is performed automatically for you.