SCO Security Advisory - Ulf Harnhammar has reported a vulnerability in Lynx, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to a boundary error in the HTrjis() function in the handling of article headers sent from NNTP (Network News Transfer Protocol) servers. This can be exploited to cause a stack-based buffer overflow by e.g. tricking a user into visiting a malicious web site which redirects to a malicious NNTP server via the nntp: URI handler. Successful exploitation allows execution of arbitrary code.
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