Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cryptopp | Crypto\+\+ Library | 5.6.2 |
| Opensuse | Opensuse | 13.1 |
Related Weaknesses (CWE)
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/9425e16437439e68c7d96abef922167d68fa
- 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/9425e16437439e68c7d96abef922167d68fa
FAQ
What is CVE-2015-2141?
CVE-2015-2141 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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...
How severe is CVE-2015-2141?
CVE-2015-2141 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-2141?
Check the references section above for vendor advisories and patch information. Affected products include: Cryptopp Crypto\+\+ Library, Opensuse Opensuse.