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kadmind-overflow.txt

Posted Apr 11, 2007

Authored by c0ntex | Site open-security.org

Kerberos version 1.5.1 kadmind remote root buffer overflow exploit.

tags | exploit, remote, overflow, root

advisories | CVE-2007-0957

SHA-256 | e8db9a1943cc4ec249fdac17fbfedb8363cfeb66696583954fa18de60266c597

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iDEFENSE Security Advisory 2007-04-03.2

Posted Apr 5, 2007

Authored by iDefense Labs | Site idefense.com

iDefense Security Advisory 04.03.07 - Remote exploitation of a buffer overflow vulnerability in the Kerberos kadmind server, as included in various vendors' operating system distributions, could allow attackers to execute arbitrary code on a targeted host. The vulnerability exists within the server's logging function, klog_vsyslog(). A call is made to vsprintf(), with the destination buffer passed as a fixed size stack buffer. User input is not properly validated before being passed to this function, and a stack based buffer overflow can occur. iDefense has confirmed the existence of this vulnerability with Kerberos version 1.5.1 on Fedora CORE 5. It is likely that all distributions that contain this version of Kerberos are vulnerable.

tags | advisory, remote, overflow, arbitrary

systems | linux, fedora

advisories | CVE-2007-0957

SHA-256 | 89da317f87ae2213d94288ef79b00b18ea8b94aa62f931ccae0c56fdcd9f3b68

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