CVE-2016-3995

The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
cryptoppcrypto\+\+
𝑥
≤ 5.6.3
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++
bionic
not-affected
artful
not-affected
zesty
not-affected
yakkety
not-affected
xenial
Fixed 5.6.1-9ubuntu0.1
released
wily
ignored
trusty
Fixed 5.6.1-6+deb8u3build0.14.04.1
released
precise
ignored
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2016/04/11/2
http://www.securityfocus.com/bid/85975
https://github.com/weidai11/cryptopp/issues/146
http://www.openwall.com/lists/oss-security/2016/04/11/2
http://www.securityfocus.com/bid/85975
https://github.com/weidai11/cryptopp/issues/146