CVE-2015-2141
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
5.0
Description
The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.
Predictions
Exploit likelihood
20%
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 |
|---|---|---|---|
| debian | bookworm | fixed | 5.6.1-7 |
| debian | bullseye | fixed | 5.6.1-7 |
| debian | forky | fixed | 5.6.1-7 |
| debian | sid | fixed | 5.6.1-7 |
| debian | trixie | fixed | 5.6.1-7 |
| suse | 13.1 | affected | |
| suse | 13.2 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| cryptopp | crypto\+\+_library | 5.6.2 | |
References
- http://lists.opensuse.org/opensuse-updates/2015-07/msg00047.html
- http://sourceforge.net/p/cryptopp/code/542/
- http://www.debian.org/security/2015/dsa-3296
- http://www.securityfocus.com/bid/75467
- https://github.com/weidai11/cryptopp/commit/9425e16437439e68c7d96abef922167d68fafaff
- https://security-tracker.debian.org/tracker/CVE-2015-2141
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.