CVE-2022-48570

HIGH

Crypto++ < 8.4.0 - Out-of-bounds Write in FixedSizeAllocatorWithCleanup

Title source: llm

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.

References (2)

Core 2

Core References

Exploit, Issue Tracking, Patch, Vendor Advisory

https://github.com/weidai11/cryptopp/issues/992

Release Notes

https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0

Scores

CVSS v3 7.5

EPSS 0.0082

EPSS Percentile 52.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-787

Status published

Products (1)

cryptopp/crypto\+\+ < 8.4.0

Published Aug 22, 2023

Tracked Since Feb 18, 2026