rpms/krb5/F-13 krb5-CVE-2010-1321-1.7.1.patch, NONE, 1.1 krb5.spec, 1.250, 1.251

[Nalin Dahyabhai]

Author: nalin

Update of /cvs/pkgs/rpms/krb5/F-13
In directory cvs01.phx2.fedoraproject.org:/tmp/cvs-serv31947/F-13

Modified Files:
	krb5.spec 
Added Files:
	krb5-CVE-2010-1321-1.7.1.patch 
Log Message:
- add patch to correct GSSAPI library null pointer dereference which could be
  triggered by malformed client requests (CVE-2010-1321, #582466)


krb5-CVE-2010-1321-1.7.1.patch:
 accept_sec_context.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- NEW FILE krb5-CVE-2010-1321-1.7.1.patch ---
--- a/src/lib/gssapi/krb5/accept_sec_context.c
+++ b/src/lib/gssapi/krb5/accept_sec_context.c
@@ -561,6 +561,13 @@ kg_accept_krb5(minor_status, context_handle,
     }
 #endif
 
+   if (authdat->checksum == NULL) {
+      /* missing checksum counts as "inappropriate type" */
+      code = KRB5KRB_AP_ERR_INAPP_CKSUM;
+      major_status = GSS_S_FAILURE;
+      goto fail;
+   }
+
    if (authdat->checksum->checksum_type != CKSUMTYPE_KG_CB) {
       /* Samba does not send 0x8003 GSS-API checksums */
       krb5_boolean valid;


Index: krb5.spec
===================================================================
RCS file: /cvs/pkgs/rpms/krb5/F-13/krb5.spec,v
retrieving revision 1.250
retrieving revision 1.251
diff -u -p -r1.250 -r1.251
--- krb5.spec	4 May 2010 19:32:36 -0000	1.250
+++ krb5.spec	18 May 2010 18:14:19 -0000	1.251
@@ -10,7 +10,7 @@
 Summary: The Kerberos network authentication system
 Name: krb5
 Version: 1.7.1
-Release: 9%{?dist}
+Release: 10%{?dist}
 # Maybe we should explode from the now-available-to-everybody tarball instead?
 # http://web.mit.edu/kerberos/dist/krb5/1.7/krb5-1.7.1-signed.tar
 Source0: krb5-%{version}.tar.gz
@@ -88,6 +88,7 @@ Patch98: krb5-1.7.1-kpasswd_ccache.patch
 Patch99: krb5-1.7.1-kpasswd_ipv6.patch
 Patch100: 2010-002-1.7-patch.txt
 Patch101: http://web.mit.edu/kerberos/advisories/2010-004-patch.txt
+Patch102: krb5-CVE-2010-1321-1.7.1.patch
 
 License: MIT
 URL: http://web.mit.edu/kerberos/www/
@@ -226,6 +227,10 @@ to obtain initial credentials from a KDC
 certificate.
 
 %changelog
+* Tue May 18 2010 Nalin Dahyabhai <nalin at redhat.com> 1.7.1-10
+- add patch to correct GSSAPI library null pointer dereference which could be
+  triggered by malformed client requests (CVE-2010-1321, #582466)
+
 * Tue May  4 2010 Nalin Dahyabhai <nalin at redhat.com> 1.7.1-9
 - fix output of kprop's init script's "status" and "reload" commands (#588222)
 
@@ -1625,6 +1630,7 @@ popd
 %patch99 -p0 -b .kpasswd-ipv6
 %patch100 -p0 -b .2010-002
 %patch101 -p1 -b .2010-004
+%patch102 -p1 -b .CVE-2010-1321
 gzip doc/*.ps
 
 sed -i -e '1s!\[twoside\]!!;s!%\(\\usepackage{hyperref}\)!\1!' doc/api/library.tex