Date: Mon, 7 Jan 2013 11:55:54 -0500 (EST) From: Jan Lieskovsky <jlieskov@...hat.com> To: oss-security@...ts.openwall.com Cc: "Steven M. Christey" <coley@...us.mitre.org> Subject: CVE Request -- proFTPD (X < 1.3.5.rc1): Symlink race condition when applying UserOwner to a newly (ProFTPD) created directory Hello Kurt, Steve, vendors, proFTPD upstream has recently released v1.3.5.rc1 release:  http://proftpd.org/docs/NEWS-1.3.5rc1 correcting one security issue: A time-of-check time-of-use (TOCTOU) race condition flaw was found in the way ProFTPD, flexible, stable and highly-configurable FTP server, handled MKD/XMKD FTP commands when the UserOwner directive was involved. A local attacker could use this flaw to possibly escalate their privileges via symbolic-link attacks on directories, created by ProFTPD prior the UserOwner ownership was applied. Upstream bug report:  http://bugs.proftpd.org/show_bug.cgi?id=3841 Relevant upstream patch:  http://bugs.proftpd.org/show_bug.cgi?id=3841#c8 References:  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=697524  https://bugzilla.redhat.com/show_bug.cgi?id=892715 Could you allocate a CVE id for this? Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat Security Response Team
Powered by blists - more mailing lists
Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.