CVE-2014-8242 Information

Description

librsync before 1.0.0 uses a truncated MD4 checksum to match blocks which makes it easier for remote attackers to modify transmitted data via a birthday attack.

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151105.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152355.html http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152366.html http://lists.opensuse.org/opensuse-updates/2015-10/msg00034.html http://www.openwall.com/lists/oss-security/2014/07/28/1 http://www.openwall.com/lists/oss-security/2014/08/05/5 http://www.openwall.com/lists/oss-security/2014/10/13/2 https://bugzilla.redhat.com/show_bug.cgi?id=1126712 https://github.com/librsync/librsync/issues/5 https://github.com/librsync/librsync/releases/tag/v1.0.0 https://security.gentoo.org/glsa/201605-04 https://www.miknet.net/security/optimizing-birthday-attack/