CVE-2018-25099 : In the CryptX module before 0.062 for Perl, gcm_decrypt

In the CryptX module before 0.062 for Perl, gcm_decrypt_verify() and chacha20poly1305_decrypt_verify() do not verify the tag.

Published 2024-03-18 05:15:06

Updated 2025-03-14 19:15:39

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2018-25099

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EPSS FAQ

0.19%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 38 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0	2024-08-28
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

https://metacpan.org/dist/CryptX/changes

Changes - metacpan.org
https://github.com/libtom/libtomcrypt/pull/451

Wycheproof failing GCM test - invalid/modified tag by karel-m · Pull Request #451 · libtom/libtomcrypt · GitHub
https://github.com/DCIT/perl-CryptX/issues/47

gcm_decrypt_verify() no longer verifies the provided tag · Issue #47 · DCIT/perl-CryptX · GitHub

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