Vulnerability Details : CVE-2023-5981
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.
Products affected by CVE-2023-5981
- cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:gnutls:1.5.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-5981
1.72%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-5981
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST | |
7.4
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
2.2
|
5.2
|
Red Hat, Inc. | |
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
Red Hat, Inc. |
CWE ids for CVE-2023-5981
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-5981
-
https://bugzilla.redhat.com/show_bug.cgi?id=2248445
2248445 – (CVE-2023-5981) CVE-2023-5981 gnutls: timing side-channel in the RSA-PSK authenticationIssue Tracking;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2024/01/19/3
oss-security - GnuTLS 3.8.3 released, fixes CVE-2024-0553 & CVE-2024-0567
-
https://access.redhat.com/errata/RHSA-2024:0451
RHSA-2024:0451 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:0319
RHSA-2024:0319 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:0533
RHSA-2024:0533 - Security Advisory - Red Hat Customer Portal
-
https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
GnuTLSIssue Tracking;Vendor Advisory
-
https://access.redhat.com/security/cve/CVE-2023-5981
CVE-2023-5981- Red Hat Customer PortalVendor Advisory
-
https://access.redhat.com/errata/RHSA-2024:0155
RHSA-2024:0155 - Security Advisory - Red Hat Customer Portal
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
[SECURITY] Fedora 39 Update: gnutls-3.8.3-1.fc39 - package-announce - Fedora Mailing-Lists
-
https://access.redhat.com/errata/RHSA-2024:1383
RHSA-2024:1383 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:0399
RHSA-2024:0399 - Security Advisory - Red Hat Customer Portal
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
[SECURITY] Fedora 38 Update: gnutls-3.8.3-1.fc38 - package-announce - Fedora Mailing-Lists
-
https://access.redhat.com/errata/RHSA-2024:2094
RHSA-2024:2094 - Security Advisory - Red Hat Customer Portal
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