Description

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.

References

http://advisories.mageia.org/MGASA-2014-0165.html

http://eprint.iacr.org/2014/140

http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=2198be3483259de374f91e57d247d0fc667aef29

http://kb.juniper.net/InfoCenter/index?page=content&id=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&m=140266410314613&w=2

http://marc.info/?l=bugtraq&m=140317760000786&w=2

http://marc.info/?l=bugtraq&m=140389274407904&w=2

http://marc.info/?l=bugtraq&m=140389355508263&w=2

http://marc.info/?l=bugtraq&m=140448122410568&w=2

http://marc.info/?l=bugtraq&m=140482916501310&w=2

http://marc.info/?l=bugtraq&m=140621259019789&w=2

http://marc.info/?l=bugtraq&m=140752315422991&w=2

http://marc.info/?l=bugtraq&m=140904544427729&w=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.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

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

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&id=SB10075

Details

Risk Information

CVSS v2