| Name | CVE-2023-5981 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3660-1 |
| Debian Bugs | 1056188 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gnutls28 (PTS) | jessie, jessie (lts) | 3.3.30-0+deb8u2 | vulnerable |
| stretch (security) | 3.5.8-5+deb9u6 | vulnerable |
| stretch (lts), stretch | 3.5.8-5+deb9u7 | vulnerable |
| buster (security), buster, buster (lts) | 3.6.7-4+deb10u12 | fixed |
| bullseye | 3.7.1-5+deb11u5 | fixed |
| bullseye (security) | 3.7.1-5+deb11u6 | fixed |
| bookworm | 3.7.9-2+deb12u3 | fixed |
| sid, trixie | 3.8.8-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://gitlab.com/gnutls/gnutls/-/issues/1511
https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
https://lists.gnupg.org/pipermail/gnutls-help/2023-November/004837.html
Fixed by: https://gitlab.com/gnutls/gnutls/-/commit/29d6298d0b04cfff970b993915db71ba3f580b6d (3.8.2)
Fixing this issue incompletely opens up CVE-2024-0553
[stretch] - gnutls28 <ignored> (Risky, patch breaks API/ABI, low impact)
[jessie] - gnutls28 <ignored> (Risky, patch breaks API/ABI, low impact)