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Vulnerability Details : CVE-2015-3193

The Montgomery squaring implementation in crypto/bn/asm/x86_64-mont5.pl in OpenSSL 1.0.2 before 1.0.2e on the x86_64 platform, as used by the BN_mod_exp function, mishandles carry propagation and produces incorrect output, which makes it easier for remote attackers to obtain sensitive private-key information via an attack against use of a (1) Diffie-Hellman (DH) or (2) Diffie-Hellman Ephemeral (DHE) ciphersuite.
Publish Date : 2015-12-06 Last Update Date : 2017-11-29
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Products Affected By CVE-2015-3193

# Product Type Vendor Product Version Update Edition Language
1 Application Openssl Openssl 1.0.2 Version Details Vulnerabilities
2 Application Openssl Openssl 1.0.2a Version Details Vulnerabilities
3 Application Openssl Openssl 1.0.2b Version Details Vulnerabilities
4 Application Openssl Openssl 1.0.2c Version Details Vulnerabilities
5 Application Openssl Openssl 1.0.2d Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openssl Openssl 5

- References For CVE-2015-3193

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322 CONFIRM
https://git.openssl.org/?p=openssl.git;a=commit;h=d73cc256c8e256c32ed959456101b73ba9842f72 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1288317 CONFIRM
https://blog.fuzzing-project.org/31-Fuzzing-Math-miscalculations-in-OpenSSLs-BN_mod_exp-CVE-2015-3193.html
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html CONFIRM
http://www.fortiguard.com/advisory/openssl-advisory-december-2015 CONFIRM
http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html CONFIRM
http://www.ubuntu.com/usn/USN-2830-1
UBUNTU USN-2830-1
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
SLACKWARE SSA:2015-349-04
http://fortiguard.com/advisory/openssl-advisory-december-2015 CONFIRM
http://www.securityfocus.com/bid/91787
BID 91787 Oracle July 2016 Critical Patch Update Multiple Vulnerabilities Release Date:2018-10-15
http://www.securitytracker.com/id/1034294
SECTRACK 1034294
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.539966
SLACKWARE SSA:2015-349-01
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 CONFIRM
https://kb.isc.org/article/AA-01438 CONFIRM
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
CISCO 20151204 Multiple Vulnerabilities in OpenSSL (December 2015) Affecting Cisco Products
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html CONFIRM
http://openssl.org/news/secadv/20151203.txt CONFIRM
http://www.securityfocus.com/bid/78705
BID 78705 OpenSSL CVE-2015-3193 Information Disclosure Vulnerability Release Date:2017-12-07
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40100 CONFIRM

- Metasploit Modules Related To CVE-2015-3193

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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