CVE-2023-5981
Detail
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 Severity and Vector Strings:
NVD assessment
not yet provided.
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URL
Source(s)
Tag(s)
http://www.openwall.com/lists/oss-security/2024/01/19/3
CVE
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0155
CVE, Inc., Red Hat
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0319
CVE, Inc., Red Hat
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0399
CVE, Inc., Red Hat
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0451
CVE, Inc., Red Hat
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0533
CVE, Inc., Red Hat
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:1383
CVE, Inc., Red Hat
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:2094
CVE, Inc., Red Hat
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-5981
CVE, Inc., Red Hat
Third Party Advisory
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2248445
CVE, Inc., Red Hat
Issue Tracking
Third Party Advisory
https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
CVE, Inc., Red Hat
Issue Tracking
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html
CVE
Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected] /message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
CVE
Broken Link
https://lists.fedoraproject.org/archives/list/[email protected] /message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
CVE
Broken Link
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-203
Observable Discrepancy
NIST
CWE-208
Observable Timing Discrepancy
Red Hat, Inc.
Change History
19 change records found show changes
Modified Analysis by NIST 3/25/2026 4:01:09 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:gnu:gnutls:1.5.0:*:*:*:*:*:*:*
OR
*cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* versions up to (excluding) 3.8.2
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Changed
Reference Type
CVE: https://access.redhat.com/security/cve/CVE-2023-5981 Types: Vendor Advisory
CVE: https://access.redhat.com/security/cve/CVE-2023-5981 Types: Third Party Advisory, Vendor Advisory
Changed
Reference Type
Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2023-5981 Types: Vendor Advisory
Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2023-5981 Types: Third Party Advisory, Vendor Advisory
Added
Reference Type
CVE: http://www.openwall.com/lists/oss-security/2024/01/19/3 Types: Third Party Advisory
Added
Reference Type
CVE: https://access.redhat.com/errata/RHSA-2024:0155 Types: Third Party Advisory
Added
Reference Type
CVE: https://access.redhat.com/errata/RHSA-2024:0319 Types: Third Party Advisory
Added
Reference Type
CVE: https://access.redhat.com/errata/RHSA-2024:0399 Types: Third Party Advisory
Added
Reference Type
CVE: https://access.redhat.com/errata/RHSA-2024:0451 Types: Third Party Advisory
Added
Reference Type
CVE: https://access.redhat.com/errata/RHSA-2024:0533 Types: Third Party Advisory
Added
Reference Type
CVE: https://access.redhat.com/errata/RHSA-2024:1383 Types: Third Party Advisory
Added
Reference Type
CVE: https://access.redhat.com/errata/RHSA-2024:2094 Types: Third Party Advisory
Added
Reference Type
CVE: https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html Types: Third Party Advisory
Added
Reference Type
CVE: https://lists.fedoraproject.org/archives/list/[email protected] /message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/ Types: Broken Link
Added
Reference Type
CVE: https://lists.fedoraproject.org/archives/list/[email protected] /message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/ Types: Broken Link
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:0155 Types: Third Party Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:0319 Types: Third Party Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:0399 Types: Third Party Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:0451 Types: Third Party Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:0533 Types: Third Party Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:1383 Types: Third Party Advisory
Added
Reference Type
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2024:2094 Types: Third Party Advisory
CVE Modified by Red Hat, Inc. 2/25/2026 2:29:23 PM
Action
Type
Old Value
New Value
Added
CWE
CWE-208
Removed
CWE
CWE-203
CVE Modified by CVE 11/04/2025 3:17:14 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html
CVE Modified by CVE 11/21/2024 3:42:54 AM
Action
Type
Old Value
New Value
Added
Reference
http://www.openwall.com/lists/oss-security/2024/01/19/3
Added
Reference
https://access.redhat.com/errata/RHSA-2024:0155
Added
Reference
https://access.redhat.com/errata/RHSA-2024:0319
Added
Reference
https://access.redhat.com/errata/RHSA-2024:0399
Added
Reference
https://access.redhat.com/errata/RHSA-2024:0451
Added
Reference
https://access.redhat.com/errata/RHSA-2024:0533
Added
Reference
https://access.redhat.com/errata/RHSA-2024:1383
Added
Reference
https://access.redhat.com/errata/RHSA-2024:2094
Added
Reference
https://access.redhat.com/security/cve/CVE-2023-5981
Added
Reference
https://bugzilla.redhat.com/show_bug.cgi?id=2248445
Added
Reference
https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
Added
Reference
https://lists.fedoraproject.org/archives/list/[email protected] /message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
Added
Reference
https://lists.fedoraproject.org/archives/list/[email protected] /message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
CVE Modified by Red Hat, Inc. 9/16/2024 9:15:07 AM
Action
Type
Old Value
New Value
Removed
Reference
Red Hat, Inc. http://www.openwall.com/lists/oss-security/2024/01/19/3
Removed
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected] /message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
Removed
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected] /message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
CVE Modified by Red Hat, Inc. 7/08/2024 2:15:04 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2094 [No types assigned]
CVE Modified by Red Hat, Inc. 6/27/2024 8:15:16 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1383 [No types assigned]
CVE Modified by Red Hat, Inc. 5/14/2024 10:31:11 AM
Action
Type
Old Value
New Value
CVE Modified by Red Hat, Inc. 2/08/2024 10:15:09 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected] /message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/ [No types assigned]
CVE Modified by Red Hat, Inc. 1/29/2024 11:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0533 [No types assigned]
CVE Modified by Red Hat, Inc. 1/29/2024 2:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected] /message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/ [No types assigned]
CVE Modified by Red Hat, Inc. 1/25/2024 1:15:08 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0399 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0451 [No types assigned]
CVE Modified by Red Hat, Inc. 1/22/2024 10:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0319 [No types assigned]
CVE Modified by Red Hat, Inc. 1/19/2024 4:15:08 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. http://www.openwall.com/lists/oss-security/2024/01/19/3 [No types assigned]
CVE Modified by Red Hat, Inc. 1/10/2024 4:15:09 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:0155 [No types assigned]
CVE Modified by Red Hat, Inc. 12/11/2023 4:15:06 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
Red Hat, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Removed
CVSS V3.1
Red Hat, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Initial Analysis by NIST 12/04/2023 2:40:21 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Added
CWE
NIST CWE-203
Added
CPE Configuration
OR
*cpe:2.3:a:gnu:gnutls:1.5.0:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
https://access.redhat.com/security/cve/CVE-2023-5981 No Types Assigned
https://access.redhat.com/security/cve/CVE-2023-5981 Vendor Advisory
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=2248445 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=2248445 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23 No Types Assigned
https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23 Issue Tracking, Vendor Advisory
CVE Modified by Red Hat, Inc. 11/28/2023 9:15:07 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23 [No types assigned]
New CVE Received from Red Hat, Inc. 11/28/2023 7:15:07 AM
Action
Type
Old Value
New Value
Added
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.
Added
CVSS V3.1
Red Hat, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Added
CWE
Red Hat, Inc. CWE-203
Added
Reference
Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-5981 [No types assigned]
Added
Reference
Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2248445 [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2023-5981 NVD
Published Date: 11/28/2023 NVD
Last Modified: 03/25/2026
Source: Red Hat, Inc.