Date: Wed, 5 Sep 2001 14:33:43 -0700 (PDT) From: Edward Counce <edward.counce@celion.com> To: freebsd-gnats-submit@FreeBSD.org Subject: bin/30357: core dump in libpam.so when parsing config file Message-ID: <200109052133.f85LXhF25302@freefall.freebsd.org>
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>Number: 30357
>Category: bin
>Synopsis: core dump in libpam.so when parsing config file
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Sep 05 14:40:02 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Edward Counce
>Release: 4.3-RELEASE
>Organization:
Celion Networks, Inc.
>Environment:
FreeBSD ecounce 4.3-RELEASE FreeBSD 4.3-RELEASE #0: Sat Apr 21 10:54:49 GMT 2001 jkh@narf.osd.bsdi.com:/usr/src/sys/compile/GENERIC i386
>Description:
While parsing the configuration file, numeric (jump) actions in the newer control flag syntax may cause a core dump.
>How-To-Repeat:
add to /etc/pam.conf:
sshd auth [success=1 default=ignore] pam_tacplus.so
>Fix:
Index: pam_misc.c
===================================================================
RCS file: /home/ncvs/src/contrib/libpam/libpam/pam_misc.c,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 pam_misc.c
--- pam_misc.c 18 Nov 1998 01:16:19 -0000 1.1.1.1
+++ pam_misc.c 5 Sep 2001 21:16:36 -0000
@@ -278,7 +278,7 @@
}
/* observe action type */
- for (act=0; act<=-_PAM_ACTION_UNDEF; ++act) {
+ for (act=0; act<-_PAM_ACTION_UNDEF; ++act) {
len = strlen(_pam_token_actions[act]);
if (!strncmp(_pam_token_actions[act], tok, len)) {
act *= -1;
>Release-Note:
>Audit-Trail:
>Unformatted:
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