[28929] in CVS-changelog-for-Kerberos-V5
krb5 commit: Tolerate null oid pointer in gss_release_oid()
daemon@ATHENA.MIT.EDU (Greg Hudson)
Thu Jun 11 12:12:11 2015
Date: Thu, 11 Jun 2015 12:12:05 -0400
From: Greg Hudson <ghudson@mit.edu>
Message-Id: <201506111612.t5BGC5fc012554@drugstore.mit.edu>
To: cvs-krb5@mit.edu
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https://github.com/krb5/krb5/commit/4676e823e6ee9a5731872b31c5588c1b5932e0a3
commit 4676e823e6ee9a5731872b31c5588c1b5932e0a3
Author: Greg Hudson <ghudson@mit.edu>
Date: Wed Jun 10 19:48:51 2015 -0400
Tolerate null oid pointer in gss_release_oid()
Under some circumstances, gss_inquire_name() can call
gss_release_oid() with a null oid pointer, which currently causes a
null dereference. The least invasive fix is for gss_release_oid() to
check for the invalid null pointer and return an error, like other
GSS-API functions do.
ticket: 8201 (new)
target_version: 1.13.3
tags: pullup
src/lib/gssapi/mechglue/g_initialize.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/lib/gssapi/mechglue/g_initialize.c b/src/lib/gssapi/mechglue/g_initialize.c
index 2987164..b7e8a8d 100644
--- a/src/lib/gssapi/mechglue/g_initialize.c
+++ b/src/lib/gssapi/mechglue/g_initialize.c
@@ -168,7 +168,7 @@ gss_OID *oid;
OM_uint32 major;
gss_mech_info aMech;
- if (minor_status == NULL)
+ if (minor_status == NULL || oid == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
*minor_status = gssint_mechglue_initialize_library();
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