CVE-2024-0553
gnutls28 - security update
7.5
HIGH
CVSS 3.1
EPSS 1.0%
Description
A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.
How to fix CVE-2024-0553
To remediate CVE-2024-0553, upgrade the affected package to a fixed version below.
- —upgrade to 3.8.3-r0 or later
- —upgrade to 3.7.1-5+deb11u5 or later
- —upgrade to 3.6.7-4+deb10u12 or later
Is CVE-2024-0553 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 3.8.3-r0
- from 0, < 3.7.1-5+deb11u5
- from 0, < 3.6.7-4+deb10u12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |