The Montgomery ladder implementation in OpenSSL through 1.0.0l does not ensure that certain swap operations have a constant-time behavior, which makes it easier for local users to obtain ECDSA nonces via a FLUSH+RELOAD cache side-channel attack.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openssl | Openssl | * | 1.0.0l (including) |
| Openssl | Openssl | 0.9.1c (including) | 0.9.1c (including) |
| Openssl | Openssl | 0.9.2b (including) | 0.9.2b (including) |
| Openssl | Openssl | 0.9.3 (including) | 0.9.3 (including) |
| Openssl | Openssl | 0.9.3a (including) | 0.9.3a (including) |
| Openssl | Openssl | 0.9.4 (including) | 0.9.4 (including) |
| Openssl | Openssl | 0.9.5 (including) | 0.9.5 (including) |
| Openssl | Openssl | 0.9.5-beta1 (including) | 0.9.5-beta1 (including) |
| Openssl | Openssl | 0.9.5-beta2 (including) | 0.9.5-beta2 (including) |
| Openssl | Openssl | 0.9.5a (including) | 0.9.5a (including) |
| Openssl | Openssl | 0.9.5a-beta1 (including) | 0.9.5a-beta1 (including) |
| Openssl | Openssl | 0.9.5a-beta2 (including) | 0.9.5a-beta2 (including) |
| Openssl | Openssl | 0.9.6 (including) | 0.9.6 (including) |
| Openssl | Openssl | 0.9.6-beta1 (including) | 0.9.6-beta1 (including) |
| Openssl | Openssl | 0.9.6-beta2 (including) | 0.9.6-beta2 (including) |
| Openssl | Openssl | 0.9.6-beta3 (including) | 0.9.6-beta3 (including) |
| Openssl | Openssl | 0.9.6a (including) | 0.9.6a (including) |
| Openssl | Openssl | 0.9.6a-beta1 (including) | 0.9.6a-beta1 (including) |
| Openssl | Openssl | 0.9.6a-beta2 (including) | 0.9.6a-beta2 (including) |
| Openssl | Openssl | 0.9.6a-beta3 (including) | 0.9.6a-beta3 (including) |
| Openssl | Openssl | 0.9.6b (including) | 0.9.6b (including) |
| Openssl | Openssl | 0.9.6c (including) | 0.9.6c (including) |
| Openssl | Openssl | 0.9.6d (including) | 0.9.6d (including) |
| Openssl | Openssl | 0.9.6e (including) | 0.9.6e (including) |
| Openssl | Openssl | 0.9.6f (including) | 0.9.6f (including) |
| Openssl | Openssl | 0.9.6g (including) | 0.9.6g (including) |
| Openssl | Openssl | 0.9.6h (including) | 0.9.6h (including) |
| Openssl | Openssl | 0.9.6i (including) | 0.9.6i (including) |
| Openssl | Openssl | 0.9.6j (including) | 0.9.6j (including) |
| Openssl | Openssl | 0.9.6k (including) | 0.9.6k (including) |
| Openssl | Openssl | 0.9.6l (including) | 0.9.6l (including) |
| Openssl | Openssl | 0.9.6m (including) | 0.9.6m (including) |
| Openssl | Openssl | 0.9.7 (including) | 0.9.7 (including) |
| Openssl | Openssl | 0.9.7-beta1 (including) | 0.9.7-beta1 (including) |
| Openssl | Openssl | 0.9.7-beta2 (including) | 0.9.7-beta2 (including) |
| Openssl | Openssl | 0.9.7-beta3 (including) | 0.9.7-beta3 (including) |
| Openssl | Openssl | 0.9.7-beta4 (including) | 0.9.7-beta4 (including) |
| Openssl | Openssl | 0.9.7-beta5 (including) | 0.9.7-beta5 (including) |
| Openssl | Openssl | 0.9.7-beta6 (including) | 0.9.7-beta6 (including) |
| Openssl | Openssl | 0.9.7a (including) | 0.9.7a (including) |
| Openssl | Openssl | 0.9.7b (including) | 0.9.7b (including) |
| Openssl | Openssl | 0.9.7c (including) | 0.9.7c (including) |
| Openssl | Openssl | 0.9.7d (including) | 0.9.7d (including) |
| Openssl | Openssl | 0.9.7e (including) | 0.9.7e (including) |
| Openssl | Openssl | 0.9.7f (including) | 0.9.7f (including) |
| Openssl | Openssl | 0.9.7g (including) | 0.9.7g (including) |
| Openssl | Openssl | 0.9.7h (including) | 0.9.7h (including) |
| Openssl | Openssl | 0.9.7i (including) | 0.9.7i (including) |
| Openssl | Openssl | 0.9.7j (including) | 0.9.7j (including) |
| Openssl | Openssl | 0.9.7k (including) | 0.9.7k (including) |
| Openssl | Openssl | 0.9.7l (including) | 0.9.7l (including) |
| Openssl | Openssl | 0.9.7m (including) | 0.9.7m (including) |
| Openssl | Openssl | 0.9.8 (including) | 0.9.8 (including) |
| Openssl | Openssl | 0.9.8a (including) | 0.9.8a (including) |
| Openssl | Openssl | 0.9.8b (including) | 0.9.8b (including) |
| Openssl | Openssl | 0.9.8c (including) | 0.9.8c (including) |
| Openssl | Openssl | 0.9.8d (including) | 0.9.8d (including) |
| Openssl | Openssl | 0.9.8e (including) | 0.9.8e (including) |
| Openssl | Openssl | 0.9.8f (including) | 0.9.8f (including) |
| Openssl | Openssl | 0.9.8g (including) | 0.9.8g (including) |
| Openssl | Openssl | 0.9.8h (including) | 0.9.8h (including) |
| Openssl | Openssl | 0.9.8i (including) | 0.9.8i (including) |
| Openssl | Openssl | 0.9.8j (including) | 0.9.8j (including) |
| Openssl | Openssl | 0.9.8k (including) | 0.9.8k (including) |
| Openssl | Openssl | 0.9.8l (including) | 0.9.8l (including) |
| Openssl | Openssl | 0.9.8m (including) | 0.9.8m (including) |
| Openssl | Openssl | 0.9.8m-beta1 (including) | 0.9.8m-beta1 (including) |
| Openssl | Openssl | 0.9.8n (including) | 0.9.8n (including) |
| Openssl | Openssl | 0.9.8o (including) | 0.9.8o (including) |
| Openssl | Openssl | 0.9.8p (including) | 0.9.8p (including) |
| Openssl | Openssl | 0.9.8q (including) | 0.9.8q (including) |
| Openssl | Openssl | 0.9.8r (including) | 0.9.8r (including) |
| Openssl | Openssl | 0.9.8s (including) | 0.9.8s (including) |
| Openssl | Openssl | 0.9.8t (including) | 0.9.8t (including) |
| Openssl | Openssl | 0.9.8u (including) | 0.9.8u (including) |
| Openssl | Openssl | 0.9.8v (including) | 0.9.8v (including) |
| Openssl | Openssl | 0.9.8w (including) | 0.9.8w (including) |
| Openssl | Openssl | 0.9.8x (including) | 0.9.8x (including) |
| Openssl | Openssl | 0.9.8y (including) | 0.9.8y (including) |
| Openssl | Openssl | 1.0.0 (including) | 1.0.0 (including) |
| Openssl | Openssl | 1.0.0-beta1 (including) | 1.0.0-beta1 (including) |
| Openssl | Openssl | 1.0.0-beta2 (including) | 1.0.0-beta2 (including) |
| Openssl | Openssl | 1.0.0-beta3 (including) | 1.0.0-beta3 (including) |
| Openssl | Openssl | 1.0.0-beta4 (including) | 1.0.0-beta4 (including) |
| Openssl | Openssl | 1.0.0-beta5 (including) | 1.0.0-beta5 (including) |
| Openssl | Openssl | 1.0.0a (including) | 1.0.0a (including) |
| Openssl | Openssl | 1.0.0b (including) | 1.0.0b (including) |
| Openssl | Openssl | 1.0.0c (including) | 1.0.0c (including) |
| Openssl | Openssl | 1.0.0d (including) | 1.0.0d (including) |
| Openssl | Openssl | 1.0.0e (including) | 1.0.0e (including) |
| Openssl | Openssl | 1.0.0f (including) | 1.0.0f (including) |
| Openssl | Openssl | 1.0.0g (including) | 1.0.0g (including) |
| Openssl | Openssl | 1.0.0h (including) | 1.0.0h (including) |
| Openssl | Openssl | 1.0.0i (including) | 1.0.0i (including) |
| Openssl | Openssl | 1.0.0j (including) | 1.0.0j (including) |
| Openssl | Openssl | 1.0.0k (including) | 1.0.0k (including) |
| Openssl | Ubuntu | devel | * |
| Openssl | Ubuntu | precise | * |
| Openssl | Ubuntu | quantal | * |
| Openssl | Ubuntu | saucy | * |
References
- http://advisories.mageia.org/MGASA-2014-0165.html
- http://eprint.iacr.org/2014/140
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=2198be3483259de374f91e57d247d0fc667aef29
- http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10629
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2014-04/msg00007.html
- http://marc.info/?l=bugtraq\u0026m=140266410314613\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140317760000786\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140389274407904\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140389355508263\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140448122410568\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140482916501310\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140621259019789\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140752315422991\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140904544427729\u0026w=2
- http://secunia.com/advisories/58492
- http://secunia.com/advisories/58727
- http://secunia.com/advisories/58939
- http://secunia.com/advisories/59040
- http://secunia.com/advisories/59162
- http://secunia.com/advisories/59175
- http://secunia.com/advisories/59264
- http://secunia.com/advisories/59300
- http://secunia.com/advisories/59364
- http://secunia.com/advisories/59374
- http://secunia.com/advisories/59413
- http://secunia.com/advisories/59438
- http://secunia.com/advisories/59445
- http://secunia.com/advisories/59450
- http://secunia.com/advisories/59454
- http://secunia.com/advisories/59490
- http://secunia.com/advisories/59495
- http://secunia.com/advisories/59514
- http://secunia.com/advisories/59655
- http://secunia.com/advisories/59721
- http://secunia.com/advisories/60571
- http://support.apple.com/kb/HT6443
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140605-openssl
- http://www-01.ibm.com/support/docview.wss?uid=isg400001841
- http://www-01.ibm.com/support/docview.wss?uid=isg400001843
- http://www-01.ibm.com/support/docview.wss?uid=swg21673137
- http://www-01.ibm.com/support/docview.wss?uid=swg21676035
- http://www-01.ibm.com/support/docview.wss?uid=swg21676062
- http://www-01.ibm.com/support/docview.wss?uid=swg21676092
- http://www-01.ibm.com/support/docview.wss?uid=swg21676419
- http://www-01.ibm.com/support/docview.wss?uid=swg21676424
- http://www-01.ibm.com/support/docview.wss?uid=swg21676501
- http://www-01.ibm.com/support/docview.wss?uid=swg21676655
- http://www-01.ibm.com/support/docview.wss?uid=swg21677695
- http://www-01.ibm.com/support/docview.wss?uid=swg21677828
- http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-345106.htm
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:067
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:062
- http://www.novell.com/support/kb/doc.php?id=7015264
- http://www.novell.com/support/kb/doc.php?id=7015300
- http://www.openssl.org/news/secadv_20140605.txt
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.securityfocus.com/bid/66363
- http://www.ubuntu.com/usn/USN-2165-1
- https://bugs.gentoo.org/show_bug.cgi?id=505278
- https://bugzilla.novell.com/show_bug.cgi?id=869945
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05301946
- https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10075
- http://advisories.mageia.org/MGASA-2014-0165.html
- http://eprint.iacr.org/2014/140
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=2198be3483259de374f91e57d247d0fc667aef29
- http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10629
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2014-04/msg00007.html
- http://marc.info/?l=bugtraq\u0026m=140266410314613\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140317760000786\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140389274407904\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140389355508263\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140448122410568\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140482916501310\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140621259019789\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140752315422991\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=140904544427729\u0026w=2
- http://secunia.com/advisories/58492
- http://secunia.com/advisories/58727
- http://secunia.com/advisories/58939
- http://secunia.com/advisories/59040
- http://secunia.com/advisories/59162
- http://secunia.com/advisories/59175
- http://secunia.com/advisories/59264
- http://secunia.com/advisories/59300
- http://secunia.com/advisories/59364
- http://secunia.com/advisories/59374
- http://secunia.com/advisories/59413
- http://secunia.com/advisories/59438
- http://secunia.com/advisories/59445
- http://secunia.com/advisories/59450
- http://secunia.com/advisories/59454
- http://secunia.com/advisories/59490
- http://secunia.com/advisories/59495
- http://secunia.com/advisories/59514
- http://secunia.com/advisories/59655
- http://secunia.com/advisories/59721
- http://secunia.com/advisories/60571
- http://support.apple.com/kb/HT6443
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140605-openssl
- http://www-01.ibm.com/support/docview.wss?uid=isg400001841
- http://www-01.ibm.com/support/docview.wss?uid=isg400001843
- http://www-01.ibm.com/support/docview.wss?uid=swg21673137
- http://www-01.ibm.com/support/docview.wss?uid=swg21676035
- http://www-01.ibm.com/support/docview.wss?uid=swg21676062
- http://www-01.ibm.com/support/docview.wss?uid=swg21676092
- http://www-01.ibm.com/support/docview.wss?uid=swg21676419
- http://www-01.ibm.com/support/docview.wss?uid=swg21676424
- http://www-01.ibm.com/support/docview.wss?uid=swg21676501
- http://www-01.ibm.com/support/docview.wss?uid=swg21676655
- http://www-01.ibm.com/support/docview.wss?uid=swg21677695
- http://www-01.ibm.com/support/docview.wss?uid=swg21677828
- http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-345106.htm
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:067
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:062
- http://www.novell.com/support/kb/doc.php?id=7015264
- http://www.novell.com/support/kb/doc.php?id=7015300
- http://www.openssl.org/news/secadv_20140605.txt
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.securityfocus.com/bid/66363
- http://www.ubuntu.com/usn/USN-2165-1
- https://bugs.gentoo.org/show_bug.cgi?id=505278
- https://bugzilla.novell.com/show_bug.cgi?id=869945
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05301946
- https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10075