[PATCH] Ignore origin of privileged program
Andreas Schwab
schwab@redhat.com
Thu Dec 9 14:47:00 GMT 2010
2010-12-09 Andreas Schwab <schwab@redhat.com>
* 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;
}
--
1.7.2.3
--
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84 5EC7 45C6 250E 6F00 984E
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