CVE-2015-2141

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
VendorProductVersion
cryptoppcrypto\+\+_library
5.6.2
opensuseopensuse
13.1
opensuseopensuse
13.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libcrypto++
bullseye
8.4.0-1
fixed
bookworm
8.7.0+git220824-1
fixed
sid
8.9.0-1.1
fixed
trixie
8.9.0-1.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libcrypto++
zesty
not-affected
yakkety
not-affected
xenial
not-affected
wily
not-affected
vivid
Fixed 5.6.1-6+deb8u1build0.15.04.1
released
utopic
Fixed 5.6.1-6+deb8u1build0.14.10.1
released
trusty
Fixed 5.6.1-6+deb8u1build0.14.04.1
released
precise
ignored
Common Weakness Enumeration
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
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