CVE-2023-50981

EUVD-2023-55708
ModularSquareRoot in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (infinite loop) via crafted DER public-key data associated with squared odd numbers, such as the square of 268995137513890432434389773128616504853.
Infinite Loop
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
CISA-ADPADP
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: 26%
Affected Products (NVD)
VendorProductVersion
cryptoppcrypto\+\+
𝑥
≤ 8.9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libcrypto++
bookworm
postponed
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
oracular
needs-triage
trusty
ignored
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/weidai11/cryptopp/issues/1249
https://github.com/weidai11/cryptopp/issues/1249