CVE-2015-7511
low
CVSS v3
2.0
CVSS v4 NEW
โ
VIR risk
2.0
Description
Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
Predictions
Exploit likelihood
23%
Patch ETA
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 | | |
| debian | bookworm | fixed | 1.6.5-2 |
| debian | bullseye | fixed | 1.6.5-2 |
| debian | forky | fixed | 1.6.5-2 |
| debian | sid | fixed | 1.6.5-2 |
| debian | trixie | fixed | 1.6.5-2 |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.10 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnupg | libgcrypt | {"endIncluding":"1.6.4"} | |
References
- https://www.suse.com/security/cve/CVE-2015-7511.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00027.html
- http://www.cs.tau.ac.IL/~tromer/ecdh/
- http://www.debian.org/security/2016/dsa-3474
- http://www.debian.org/security/2016/dsa-3478
- http://www.securityfocus.com/bid/83253
- http://www.ubuntu.com/usn/USN-2896-1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W2IL4PAEICHGA2XMQYRY3MIWHM4GMPAG/
- https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html
- https://security.gentoo.org/glsa/201610-04
- https://security-tracker.debian.org/tracker/CVE-2015-7511
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.