# http://sourceware.org/ml/libc-hacker/2010-12/msg00001.html # new fix for http://seclists.org/fulldisclosure/2010/Oct/257 2010-12-09 Andreas Schwab * elf/dl-object.c (_dl_new_object): Ignore origin of privileged program. --- elf/dl-object.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/elf/dl-object.c b/elf/dl-object.c index 5d15ce1..a34e902 100644 --- a/elf/dl-object.c +++ b/elf/dl-object.c @@ -220,6 +220,9 @@ _dl_new_object (char *realname, const char *libname, int type, out: new->l_origin = origin; } + else if (INTUSE(__libc_enable_secure) && type == lt_executable) + /* The origin of a privileged program cannot be trusted. */ + new->l_origin = (char *) -1; return new; }