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CVE-2023-5981

Gnutls: timing side-channel in the rsa-psk authentication

Published: 11/28/2023 Last updated: 10/14/2026 Reserved: 11/7/2023

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 5.9 Medium CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Opam packages affected (5)

conf-gnutls conf-mingw-w64-gnutls-i686 conf-mingw-w64-gnutls-x86_64 conf-srt conf-srt-gnutls

Products affected (0)

No product listed.

References (25)

Credits (1)