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CVE
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CVE-2011-1945

Date: (C)2011-05-31   (M)2017-05-05
 
CVSS Score: 2.6Access Vector: NETWORK
Exploitability Subscore: 4.9Access Complexity: HIGH
Impact Subscore: 2.9Authentication: NONE
 Confidentiality: PARTIAL
 Integrity: NONE
 Availability: NONE











The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.

Reference:
SECUNIA-44935
APPLE-SA-2013-06-04-1
DSA-2309
IAVM:2012-B-0056
IAVM:2013-A-0113
MDVSA-2011:136
MDVSA-2011:137
SUSE-SU-2011:0636
VU#536044
http://eprint.iacr.org/2011/232.pdf
http://support.apple.com/kb/HT5784
http://www.kb.cert.org/vuls/id/MAPG-8FENZ3
openSUSE-SU-2011:0634

CPE    78
cpe:/a:openssl:openssl:0.9.1c
cpe:/a:openssl:openssl:0.9.5a
cpe:/a:openssl:openssl:0.9.6:beta3
cpe:/a:openssl:openssl:0.9.6:beta1
...
CWE    1
CWE-310
OVAL    7
oval:org.secpod.oval:def:301080
oval:org.secpod.oval:def:301099
oval:org.secpod.oval:def:600621
oval:org.secpod.oval:def:1225
...

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