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Vulnerability Details : CVE-2016-3959

The Verify function in crypto/dsa/dsa.go in Go before 1.5.4 and 1.6.x before 1.6.1 does not properly check parameters passed to the big integer library, which might allow remote attackers to cause a denial of service (infinite loop) via a crafted public key to a program that uses HTTPS client certificates or SSH server libraries.
Publish Date : 2016-05-23 Last Update Date : 2018-10-30
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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) Denial Of Service

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:1538: golang security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20161538 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-3959

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 22 Version Details Vulnerabilities
2 OS Fedoraproject Fedora 23 Version Details Vulnerabilities
3 OS Fedoraproject Fedora 24 Version Details Vulnerabilities
4 Application Golang GO 1.5 Version Details Vulnerabilities
5 Application Golang GO 1.6 Version Details Vulnerabilities
6 OS Opensuse Leap 42.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 3
Golang GO 2
Opensuse Leap 1

- References For CVE-2016-3959 CONFIRM
FEDORA FEDORA-2016-2fcfc7670f
SUSE openSUSE-SU-2016:1331
REDHAT RHSA-2016:1538
MLIST [oss-security] 20160405 CVE request - Go - DLL loading, Big int!topic/golang-announce/9eqIHqaWvck
MLIST [golang-announce] 20160412 [security] Go 1.6.1 and 1.5.4 are released
MLIST [oss-security] 20160405 Re: CVE request - Go - DLL loading, Big int
FEDORA FEDORA-2016-2940ad5550
FEDORA FEDORA-2016-59c5e405e3

- Metasploit Modules Related To CVE-2016-3959

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

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