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CVE
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CVE-2015-0285Date: (C)2015-03-26   (M)2018-05-13


The ssl3_client_hello function in s3_clnt.c in OpenSSL 1.0.2 before 1.0.2a does not ensure that the PRNG is seeded before proceeding with a handshake, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by sniffing the network and then conducting a brute-force attack.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 4.3
Exploit Score: Exploit Score: 8.6
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: MEDIUM
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: PARTIAL
Scope: Integrity: NONE
Confidentiality: Availability: NONE
Integrity:  
Availability:  
  
Reference:
SECTRACK-1031929
BID-73234
GLSA-201503-11
HPSBMU03380
HPSBMU03397
HPSBMU03409
http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
https://bto.bluecoat.com/security-advisory/sa92
https://bugzilla.redhat.com/show_bug.cgi?id=1202410
https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=e1b568dd2462f7cacf98f3d117936c34e2849a6b
https://kc.mcafee.com/corporate/index?page=content&id=SB10110
https://www.openssl.org/news/secadv_20150319.txt

CPE    1
cpe:/a:openssl:openssl:1.0.2
CWE    1
CWE-310
OVAL    1
oval:org.secpod.oval:def:23963

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