Vulnerability Details : CVE-2016-6489
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
Products affected by CVE-2016-6489
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
- cpe:2.3:a:nettle_project:nettle:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-6489
0.32%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-6489
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-6489
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-6489
-
https://www.oracle.com/security-alerts/cpuapr2020.html
Oracle Critical Patch Update Advisory - April 2020Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/07/29/7
oss-security - Re: CVE Request: nettle's RSA code is vulnerable to cache sharing related attacksMailing List;Patch;Third Party Advisory
-
https://eprint.iacr.org/2016/596.pdf
Technical Description
-
http://www.ubuntu.com/usn/USN-3193-1
USN-3193-1: Nettle vulnerability | Ubuntu security noticesThird Party Advisory
-
https://security.gentoo.org/glsa/201706-21
nettle: Information disclosure (GLSA 201706-21) — Gentoo securityThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-2582.html
RHSA-2016:2582 - Security Advisory - Red Hat Customer PortalThird Party Advisory;VDB Entry
-
https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3
Use mpz_powm_sec. (3fe1d654) · Commits · Nettle / nettle · GitLabPatch;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1362016
1362016 – (CVE-2016-6489) CVE-2016-6489 nettle: RSA/DSA code is vulnerable to cache-timing related attacksIssue Tracking;Third Party Advisory;VDB Entry
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