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Mandrakelinux Advisory: ksymoops

Jun 11, 2004, 03:15 (0 Talkback[s])

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Mandrakelinux Security Update Advisory

Package name: ksymoops
Advisory ID: MDKSA-2004:060
Date: June 10th, 2004
Affected versions: 10.0, 9.1, 9.2, Corporate Server 2.1

Problem Description:

Geoffrey Lee discovered a problem with the ksymoops-gznm script distributed with Mandrakelinux. The script fails to do proper checking when copying a file to the /tmp directory. Because of this, a local attacker can setup a symlink to point to a file that they do not have permission to remove. The problem is difficult to exploit because someone with root privileges needs to run ksymoops on a particular module for which a symlink for the same filename already exists.

Updated Packages:

Mandrakelinux 10.0:
fd71046851d3f6f78aed37139dba5801 10.0/RPMS/ksymoops-2.4.9-2.1.100mdk.i586.rpm
bc77b3b817f0405fc756b774e1cd8b2b 10.0/SRPMS/ksymoops-2.4.9-2.1.100mdk.src.rpm

Mandrakelinux 10.0/AMD64:
0069cbfa72e078a575a61b47ae8d7db4 amd64/10.0/RPMS/ksymoops-2.4.9-2.1.100mdk.amd64.rpm
bc77b3b817f0405fc756b774e1cd8b2b amd64/10.0/SRPMS/ksymoops-2.4.9-2.1.100mdk.src.rpm

Corporate Server 2.1:
55e5b60446af97754617854ae007c076 corporate/2.1/RPMS/ksymoops-2.4.5-1.1.C21mdk.i586.rpm
371e1e2e5c13fe3f3d4d69f7640d62df corporate/2.1/SRPMS/ksymoops-2.4.5-1.1.C21mdk.src.rpm

Corporate Server 2.1/x86_64:
c7b36de07cf6e4730d19c1c70d5ae4f4 x86_64/corporate/2.1/RPMS/ksymoops-2.4.5-1.1.C21mdk.x86_64.rpm
371e1e2e5c13fe3f3d4d69f7640d62df x86_64/corporate/2.1/SRPMS/ksymoops-2.4.5-1.1.C21mdk.src.rpm

Mandrakelinux 9.1:
4d5bba5a89df40aa948d1ab109dae1fd 9.1/RPMS/ksymoops-2.4.8-1.1.91mdk.i586.rpm
90dc1f924e31cb629c2be369aa369be0 9.1/SRPMS/ksymoops-2.4.8-1.1.91mdk.src.rpm

Mandrakelinux 9.1/PPC:
2af8ce77771cc51c21c17f3966a80d07 ppc/9.1/RPMS/ksymoops-2.4.8-1.1.91mdk.ppc.rpm
90dc1f924e31cb629c2be369aa369be0 ppc/9.1/SRPMS/ksymoops-2.4.8-1.1.91mdk.src.rpm

Mandrakelinux 9.2:
c841d77df648a31b1c4abbef5ed81164 9.2/RPMS/ksymoops-2.4.9-2.1.92mdk.i586.rpm
da2871cd2185de4399dca040a4917d36 9.2/SRPMS/ksymoops-2.4.9-2.1.92mdk.src.rpm

Mandrakelinux 9.2/AMD64:
f6e07e8051ff88692b1ecf25ca6df67c amd64/9.2/RPMS/ksymoops-2.4.9-2.1.92mdk.amd64.rpm
da2871cd2185de4399dca040a4917d36 amd64/9.2/SRPMS/ksymoops-2.4.9-2.1.92mdk.src.rpm

To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandrakesoft for security. You can obtain the GPG public key of the Mandrakelinux Security Team by executing:

gpg --recv-keys --keyserver 0x22458A98

You can view other update advisories for Mandrakelinux at:

If you want to report vulnerabilities, please contact

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team <security>