CVE-2016-6313

Home/CVE/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.

CVE

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.

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.

MEDIUM · CVSS 5.3 EPSS 0.02688

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

▤

Affected Products & Versions

gnupg libgcrypt<= 1.5.3
gnupg libgcryptall versions
debian linuxall versions
canonical ubuntu linuxall versions
gnupg<= 1.4.14

▣

Scoring & Timeline

5.3

MEDIUM · CVSS v3.0 · secalert@redhat.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD13 Dec 2016 · 08:59 PM

CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10037-1
suse-csafSUSE-SU-2017:2699-1
suse-csafSUSE-SU-2017:2700-1
suse-csafSUSE-SU-2016:2345-1
suse-csafSUSE-SU-2016:2346-1
Show all 8 vendor advisoriesusnUSN-3065-1
usnUSN-3064-1
rhsaRHSA-2016:2674Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://rhn.redhat.com/errata/RHSA-2016-2674.html

http://www.debian.org/security/2016/dsa-3649Third Party Advisory

http://www.debian.org/security/2016/dsa-3650Third Party Advisory

http://www.securityfocus.com/bid/92527Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1036635

http://www.ubuntu.com/usn/USN-3064-1Third Party Advisory

Show all 11 references

http://www.ubuntu.com/usn/USN-3065-1Third Party Advisory

https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git

https://lists.gnupg.org/pipermail/gnupg-announce/2016q3/000395.htmlMailing ListVendor Advisory

https://security.gentoo.org/glsa/201610-04

https://security.gentoo.org/glsa/201612-01

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