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- fix chain verification issue CVE-2008-4989 (#470079)

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This commit is contained in:
Tomáš Mráz 2008-11-11 12:12:17 +00:00
parent 4b31e92e95
commit 202be7c37f
2 changed files with 45 additions and 1 deletions
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39
gnutls-1.4.1-cve-2008-4989.patch Normal file
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@ -0,0 +1,39 @@
diff -up gnutls-1.4.1/lib/x509/verify.c.chain-verify gnutls-1.4.1/lib/x509/verify.c
--- gnutls-1.4.1/lib/x509/verify.c.chain-verify 2008-11-11 10:55:19.000000000 +0100
+++ gnutls-1.4.1/lib/x509/verify.c 2008-11-11 10:58:54.000000000 +0100
@@ -379,6 +379,17 @@ _gnutls_x509_verify_certificate (const g
int i = 0, ret;
unsigned int status = 0, output;
+ /* Check if the last certificate in the path is self signed.
+ * In that case ignore it (a certificate is trusted only if it
+ * leads to a trusted party by us, not the server's).
+ */
+ if (clist_size > 1 &&
+ gnutls_x509_crt_check_issuer (certificate_list[clist_size - 1],
+ certificate_list[clist_size - 1]) > 0)
+ {
+ clist_size--;
+ }
+
/* Verify the last certificate in the certificate path
* against the trusted CA certificate list.
*
@@ -417,17 +428,6 @@ _gnutls_x509_verify_certificate (const g
}
#endif
- /* Check if the last certificate in the path is self signed.
- * In that case ignore it (a certificate is trusted only if it
- * leads to a trusted party by us, not the server's).
- */
- if (gnutls_x509_crt_check_issuer (certificate_list[clist_size - 1],
- certificate_list[clist_size - 1]) > 0
- && clist_size > 0)
- {
- clist_size--;
- }
-
/* Verify the certificate path (chain)
*/
for (i = clist_size - 1; i > 0; i--)

7
gnutls.spec
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@ -1,7 +1,7 @@
Summary: A TLS protocol implementation
Name: gnutls
Version: 2.4.2
Release: 2%{?dist}
Release: 3%{?dist}
# The libgnutls library is LGPLv2+, utilities and remaining libraries are GPLv3+
License: GPLv3+ and LGPLv2+
Group: System Environment/Libraries
@ -16,6 +16,7 @@ URL: http://www.gnutls.org/
Source0: %{name}-%{version}-nosrp.tar.bz2
Source1: libgnutls-config
Patch1: gnutls-2.4.0-nosrp.patch
Patch5: gnutls-1.4.1-cve-2008-4989.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
Requires: libgcrypt >= 1.2.2
@ -68,6 +69,7 @@ This package contains Guile bindings for the library.
%prep
%setup -q
%patch1 -p1 -b .nosrp
%patch5 -p1 -b .chain-verify
for i in auth_srp_rsa.c auth_srp_sb64.c auth_srp_passwd.c auth_srp.c gnutls_srp.c ext_srp.c; do
touch lib/$i
@ -148,6 +150,9 @@ fi
%{_datadir}/guile/site/gnutls.scm
%changelog
* Tue Nov 11 2008 Tomas Mraz <tmraz@redhat.com> 2.4.2-3
- fix chain verification issue CVE-2008-4989 (#470079)
* Thu Sep 25 2008 Tomas Mraz <tmraz@redhat.com> 2.4.2-2
- add guile subpackage (#463735)
- force new libtool through autoreconf to drop unnecessary rpaths