CVE-2023-50981

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
NISTNIST
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
mitreCNA
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CVEADP
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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: 23%
VendorProductVersion
cryptoppcrypto\+\+
𝑥
≤ 8.9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libcrypto++
bullseye
no-dsa
bookworm
postponed
buster
no-dsa
sid
vulnerable
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libcrypto++
oracular
needs-triage
noble
needs-triage
mantic
ignored
lunar
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
ignored
Common Weakness Enumeration
References
https://github.com/weidai11/cryptopp/issues/1249
https://github.com/weidai11/cryptopp/issues/1249