Backdoored vsftpd Source Code Served from Official Site

posted onJuly 4, 2011
by l33tdawg
http://www.flickr.com/photos/treekins/364674366/
Credit: http://www.flickr.com/photos/treekins/364674366/

Unidentified attackers have managed to backdoor the official vsftpd source package prompting the project's administrator to issue an alert and switch hosting providers.

Vsftpd is a popular FTP daemon used by some important open source projects. It is developed and maintained by reputed vulnerability researcher Chris Evans. "Earlier today, I was alerted that a vsftpd download from the master site (vsftpd-2.3.4.tar.gz) appeared to contain a backdoor," Evans announced on his blog on Sunday.

According to the security engineer, the backdoor attempts to create a TCP callback shell when the rogue instance receives a ":)" (smiley face) request.

Source

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Security Software-Programming

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