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OpenSSH 2.x/3.x - Kerberos 4 TGT/AFS Token Buffer Overflow

🗓️ 19 Apr 2002 00:00:00Reported by Marcell FodorType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 152 Views

Buffer overflow in OpenSSH allows exploitation via malicious Kerberos tokens in affected versions.

Code
source: https://www.securityfocus.com/bid/4560/info

A buffer overflow condition exists in the OpenSSH server. The condition is exploitable by attackers with valid user credentials in versions 2.9.9 and higher. Exploitation does not require valid user credentials in versions prior to 2.9.9.

The vulnerability is related to the handling of Kerberos 4 TGT/AFS tokens passed by the client. An unbounded string copy operation may result in a stack overflow if the TGT/token data is malformed. 

https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/21402.tar

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