CVE-2016-6489
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 16.04 | affected | |
| ubuntu | 16.10 | affected | |
| rhel | 7.0 | affected | |
| debian | bookworm | fixed | 3.3-1 |
| debian | bullseye | fixed | 3.3-1 |
| debian | forky | fixed | 3.3-1 |
| debian | sid | fixed | 3.3-1 |
| debian | trixie | fixed | 3.3-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| nettle_project | nettle | {"endExcluding":"3.3"} | 3.3 |
References
- http://rhn.redhat.com/errata/RHSA-2016-2582.html
- http://www.openwall.com/lists/oss-security/2016/07/29/7
- http://www.ubuntu.com/usn/USN-3193-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1362016
- https://eprint.iacr.org/2016/596.pdf
- https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3
- https://security.gentoo.org/glsa/201706-21
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.suse.com/security/cve/CVE-2016-6489.html
- https://security-tracker.debian.org/tracker/CVE-2016-6489
CWEs
CWE-203
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.