CVE-2011-1575

Description

The STARTTLS implementation in ftp_parser.c in Pure-FTPd before 1.0.30 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted FTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.

References

http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html

http://lists.opensuse.org/opensuse-updates/2011-05/msg00029.html

http://openwall.com/lists/oss-security/2011/04/11/14

http://openwall.com/lists/oss-security/2011/04/11/3

http://openwall.com/lists/oss-security/2011/04/11/7

http://openwall.com/lists/oss-security/2011/04/11/8

https://bugzilla.novell.com/show_bug.cgi?id=686590

https://bugzilla.redhat.com/show_bug.cgi?id=683221

http://secunia.com/advisories/43988

http://secunia.com/advisories/44548

https://github.com/jedisct1/pure-ftpd/commit/65c4d4ad331e94661de763e9b5304d28698999c4

Details

Risk Information

CVSS v2