🛡️ CVE-2023-42811
🟡 CVSS 4.7 — Medium ✅ No Known Exploit CWE-347 NVD
4.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

aes-gcm is a pure Rust implementation of the AES-GCM. Starting in version 0.10.0 and prior to version 0.10.3, in the AES GCM implementation of decrypt_in_place_detached, the decrypted ciphertext (i.e. the correct plaintext) is exposed even if tag verification fails. If a program using the `aes-gcm` crate's `decrypt_in_place*` APIs accesses the buffer after decryption failure, it will contain a decryption of an unauthenticated input. Depending on the specific nature of the program this may enable Chosen Ciphertext Attacks (CCAs) which can cause a catastrophic breakage of the cipher including full plaintext recovery. Version 0.10.3 contains a fix for this issue.

Details

Severity Medium
CVSS Score 4.7
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:N
CWE CWE-347
Public Exploit ✅ No
Source NVD
Published 2023-09-22
Updated 2026-06-15
Modified 2026-02-03
Fix URL N/A

Affected Packages

Software From version Fixed in
aes-gcm — —
fedora — —

Exploit Protection

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