CVE-2022-48570

EUVD-2022-51266
Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
Affected Products (NVD)
VendorProductVersion
cryptoppcrypto\+\+
𝑥
≤ 8.4.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libcrypto++
bookworm
no-dsa
bullseye
no-dsa
buster
no-dsa
sid
vulnerable
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libcrypto++
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
lunar
ignored
mantic
ignored
noble
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/weidai11/cryptopp/issues/992
https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0
https://github.com/weidai11/cryptopp/issues/992
https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0