Vulnerability CVE-2014-0076
Published: 2014-03-25

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
OpenSSL 1.0.0l cache side-channel attack
Multiple
25.03.2014
High
EMC Documentum Code Execution / DQL Injection
EMC
20.08.2014

Type:

CWE-310

 (Cryptographic Issues)

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.9/10
2.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Openssl -> Openssl 

 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/59040
http://secunia.com/advisories/59175
http://secunia.com/advisories/59264
http://secunia.com/advisories/59364
http://secunia.com/advisories/59374
http://secunia.com/advisories/59445
http://secunia.com/advisories/59454
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&id=SB10075
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