TI-2022-24110 Aliases CVE-2022-48570 GHSA-mgx5-qmrg-fjwp

Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation.

HIGH 72CWE-787Published 2023-08-22 · Updated 2024-10-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01026 63rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cryptopp:crypto\+\+::::::::	up to 8.4.0	Vulnerable	Cryptopp

cpe:2.3:a:cryptopp:crypto\+\+:*:*:*:*:*:*:*:* Versions up to 8.4.0 Vulnerable ·Cryptopp

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2022-48570
2026-10-03 Alias added: GHSA-mgx5-qmrg-fjwp

References

Exploit 1

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

Other 1

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

TI-2023-27866 ModularSquareRoot in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a… CVSS 3.1HIGH 7.5
TI-2016-08052 Crypto++ (aka cryptopp and libcrypto++) 5.6.4 contained a bug in its ASN.1 BER decoding… CVSS 3.0HIGH 7.5
TI-2016-06416 Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. CVSS 3.0HIGH 7.5
TI-2016-03396 The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and… CVSS 3.0HIGH 7.5
TI-2023-27865 gf2n.cpp in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of… CVSS 3.1HIGH 7.5
TI-2019-10669 Crypto++ 8.3.0 and earlier contains a timing side channel in ECDSA signature generation. CVSS 3.0MEDIUM 5.9

See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences