nis/nss_nis/nis-pwd.c in the GNU C Library (aka glibc or libc6) 2.7 and Embedded GLIBC (EGLIBC) 2.10.2 adds information from the passwd.adjunct.byname map to entries in the passwd map, which allows remote attackers to obtain the encrypted passwords of NIS accounts by calling the getpwnam function.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=560333
sourceware.org/bugzilla/show_bug.cgi?id=11134
svn.debian.org/viewsvn/pkg-glibc/glibc-package/trunk/debian/patches/any/submitted-nis-shadow.diff?revision=4062&view=markup
www.mandriva.com/security/advisories?name=MDVSA-2010:111
www.mandriva.com/security/advisories?name=MDVSA-2010:112
www.openwall.com/lists/oss-security/2010/01/07/3
www.openwall.com/lists/oss-security/2010/01/08/1
www.openwall.com/lists/oss-security/2010/01/08/2
www.openwall.com/lists/oss-security/2010/01/11/6
lists.opensuse.org/opensuse-security-announce/2010-10/msg00007.html
marc.info/?l=oss-security&m=126320356003425&w=2
marc.info/?l=oss-security&m=126320570505651&w=2