CVE-2023-5981
Medium
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.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Debian Linux
PublishedNov 28, 2023
First seenNov 28, 2023
Weakness typeCWE-208CWE-208
How to fix
Update
- gnu gnutls3.8.2 or later
Vendor advisories
- access.redhat.com/security/cve/CVE-2023-5981
- gnutls.org/security-new.html#GNUTLS-SA-2023-10-23
- access.redhat.com/errata/RHSA-2024:0155
- access.redhat.com/errata/RHSA-2024:0319
- access.redhat.com/errata/RHSA-2024:0399
- access.redhat.com/errata/RHSA-2024:0451
- access.redhat.com/errata/RHSA-2024:0533
- access.redhat.com/errata/RHSA-2024:1383
- access.redhat.com/errata/RHSA-2024:2094
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian debian_linux | 10.0 | — |
| gnu gnutls | v < 3.8.2 | 3.8.2 |
| redhat linux | 8.0, 9.0 | — |
| fedoraproject fedora | 37, 38 | — |
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