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.
Fix
Patch, vendor advisory and mitigation references on NVD 4
- https://access.redhat.com/security/cve/CVE-2023-5981 Third Party Advisory, Vendor Advisory
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23 Issue Tracking, Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-5981 Third Party Advisory, Vendor Advisory
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23 Issue Tracking, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.9 · debian, gnu, redhatNVD modified 2026-10-14 22:17
Affected (CPE criteria) 6
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
References 25
- https://access.redhat.com/errata/RHSA-2024:0155 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0319 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0399 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0451 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0533 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1383 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2094 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5981 Third Party Advisory, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2248445 Issue Tracking, Third Party Advisory
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23 Issue Tracking, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2024/01/19/3 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0155 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0319 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0399 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0451 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0533 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1383 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2094 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5981 Third Party Advisory, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2248445 Issue Tracking, Third Party Advisory
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23 Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html Third Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/ Broken Link
- https://lists.fedoraproject.org/archives/list/[email protected]/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/ Broken Link
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html