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CVE-2023-5981

Date: November 28, 2023

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.

Language: C

Severity Score

Related Resources (19)

https://access.redhat.com/errata/RHSA-2024:2094
https://security-tracker.debian.org/tracker/CVE-2023-5981
https://access.redhat.com/security/cve/CVE-2023-5981
https://lists.debian.org/debian-lts-announce/2023/11/msg00016.html
https://access.redhat.com/errata/RHSA-2024:1383
https://gitlab.com/gnutls/gnutls/-/commit/29d6298d0b04cfff970b993915db71ba3f580b6d
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
https://bugzilla.redhat.com/show_bug.cgi?id=2248445
https://access.redhat.com/errata/RHSA-2024:0319
https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
http://www.openwall.com/lists/oss-security/2024/01/19/3
https://access.redhat.com/errata/RHSA-2024:0451
https://access.redhat.com/errata/RHSA-2024:0155
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
https://nvd.nist.gov/vuln/detail/CVE-2023-5981
https://access.redhat.com/errata/RHSA-2024:0399
https://access.redhat.com/errata/RHSA-2024:0533
https://security.alpinelinux.org/vuln/CVE-2023-5981
https://www.mend.io/vulnerability-database/CVE-2023-5981

Severity Score

Weakness Type (CWE)

Observable Discrepancy

CWE-203

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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