MEDIUM · 5.9

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.

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
DebianDebian Linux10.0
GnuGnutls< 3.8.2
RedhatLinux8.0
FedoraprojectFedora37

Related Weaknesses (CWE)

References

FAQ

What is CVE-2023-5981?

CVE-2023-5981 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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.

How severe is CVE-2023-5981?

CVE-2023-5981 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-5981?

Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Gnu Gnutls, Redhat Linux, Fedoraproject Fedora.