CVE-2016-6313

Description

The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuPG before 1.4.21 make it easier for attackers to obtain the values of 160 bits by leveraging knowledge of the previous 4640 bits.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.74% Top 20%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory gnupg.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2016/dsa-3650 third party advisory vendor advisory
https://security.gentoo.org/glsa/201612-01 vendor advisory
http://www.ubuntu.com/usn/USN-3064-1 third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3649 third party advisory vendor advisory
https://security.gentoo.org/glsa/201610-04 vendor advisory
http://www.securitytracker.com/id/1036635 vdb entry
https://lists.gnupg.org/pipermail/gnupg-announce/2016q3/000395.html vendor advisory mailing list
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=blob_plain%3Bf=NEWS
http://rhn.redhat.com/errata/RHSA-2016-2674.html vendor advisory
http://www.securityfocus.com/bid/92527 third party advisory vdb entry
http://www.ubuntu.com/usn/USN-3065-1 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-6313?
CVE-2016-6313 has been scored as a medium severity vulnerability.
How to fix CVE-2016-6313?
To fix CVE-2016-6313, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-6313 being actively exploited in the wild?
It is possible that CVE-2016-6313 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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