VULNERABILITY INTELLIGENCE

CVE-2022-48570

CVSS score7.5 HIGH

EPSS probability1.03%

CISA KEVNot currently listed

Published2023-08-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

nvd@nist.gov: CWE-787

Primary references

cve@mitre.org — Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.org — Release Notes
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes