Unrated severityNVD Advisory· Published Nov 28, 2023· Updated Feb 25, 2026
Gnutls: timing side-channel in the rsa-psk authentication
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.
Affected products
36cpe:/a:redhat:enterprise_linux:8::appstream+ 3 more
- cpe:/a:redhat:enterprise_linux:8::appstreamrange: 0:3.6.16-8.el8_9
- cpe:/o:redhat:enterprise_linux:6
- cpe:/o:redhat:enterprise_linux:7
- cpe:/o:redhat:enterprise_linux:9::baseosrange: 0:3.7.6-23.el9_3.3
- Red Hat/RHOL-5.8-RHEL-9v5cpe:/a:redhat:logging:5.8::el9Range: v0.28.1-56
- Red Hat/RHODF-4.15-RHEL-9v5cpe:/a:redhat:openshift_data_foundation:4.15::el9Range: v4.15.0-103
- Red Hat/Red Hat Enterprise Linux 8.6 Extended Update Supportv5cpe:/a:redhat:rhel_eus:8.6::appstreamRange: 0:3.6.16-5.el8_6.2
- Red Hat/Red Hat Enterprise Linux 9.2 Extended Update Supportv5cpe:/a:redhat:rhel_eus:9.2::appstreamRange: 0:3.7.6-21.el9_2.1
- Red Hat/Red Hat Enterprise Linux 8.8 Extended Update Supportv5cpe:/o:redhat:rhel_eus:8.8::baseosRange: 0:3.6.16-7.el8_8.1
- osv-coords27 versionspkg:rpm/almalinux/gnutlspkg:rpm/almalinux/gnutls-c%2B%2Bpkg:rpm/almalinux/gnutls-danepkg:rpm/almalinux/gnutls-develpkg:rpm/almalinux/gnutls-utilspkg:rpm/opensuse/gnutls&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/gnutls&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/gnutls&distro=openSUSE%20Leap%20Micro%205.4pkg:rpm/opensuse/gnutls&distro=openSUSE%20Tumbleweedpkg:rpm/suse/gnutls&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/gnutls&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3
< 3.6.16-8.el8_9+ 26 more
- (no CPE)range: < 3.6.16-8.el8_9
- (no CPE)range: < 3.6.16-8.el8_9
- (no CPE)range: < 3.6.16-8.el8_9
- (no CPE)range: < 3.6.16-8.el8_9
- (no CPE)range: < 3.6.16-8.el8_9
- (no CPE)range: < 3.7.3-150400.4.38.1
- (no CPE)range: < 3.7.3-150400.4.38.1
- (no CPE)range: < 3.7.3-150400.4.38.1
- (no CPE)range: < 3.8.2-1.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150000.6.50.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.7.3-150400.1.3.1
- (no CPE)range: < 3.7.3-150400.4.38.1
- (no CPE)range: < 3.7.3-150400.4.38.1
- (no CPE)range: < 3.7.3-150400.4.38.1
- (no CPE)range: < 3.7.3-150400.4.38.1
- (no CPE)range: < 3.6.7-150000.6.50.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150000.6.50.1
- (no CPE)range: < 3.6.7-150200.14.28.1
- (no CPE)range: < 3.6.7-150200.14.28.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
10- access.redhat.com/errata/RHSA-2024:0155mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2024:0319mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2024:0399mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2024:0451mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2024:0533mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2024:1383mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2024:2094mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/security/cve/CVE-2023-5981mitrevdb-entryx_refsource_REDHAT
- bugzilla.redhat.com/show_bug.cgimitreissue-trackingx_refsource_REDHAT
- gnutls.org/security-new.htmlmitre
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