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SUSE:SLE-12-SP3:GA
openldap2-client.22251
0011-Enforce-minimum-DH-size-of-1024.patch
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File 0011-Enforce-minimum-DH-size-of-1024.patch of Package openldap2-client.22251
The patch was authored by Marcus Meissner <meissner@suse.com> on 2015-07-13 to address weak DH size vulnerability. --- openldap-2.4.26.orig/libraries/libldap/tls_o.c +++ openldap-2.4.26/libraries/libldap/tls_o.c @@ -1190,7 +1190,6 @@ jT6sx7RUr0CNTxzLI7muV2/a4tGmj0PSdXQdsZ7t -----END DH PARAMETERS-----\n"; static const struct dhinfo tlso_dhpem[] = { - { 512, tlso_dhpem512, sizeof(tlso_dhpem512) }, { 1024, tlso_dhpem1024, sizeof(tlso_dhpem1024) }, { 2048, tlso_dhpem2048, sizeof(tlso_dhpem2048) }, { 4096, tlso_dhpem4096, sizeof(tlso_dhpem4096) }, @@ -1205,6 +1204,9 @@ tlso_tmp_dh_cb( SSL *ssl, int is_export, DH *dh = NULL; int i; + /* for Logjam, rev up the minimum DH group size to 1024 bit */ + if (key_length < 1024) key_length = 1024; + /* Do we have params of this length already? */ LDAP_MUTEX_LOCK( &tlso_dh_mutex ); for ( p = tlso_dhparams; p; p=p->next ) {
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