CVE-2024-0553
moderate-risk
Published 2024-01-16
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.
Do I need to act?
~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (4)
Affected Vendors
References (27)
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-0553
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2258412
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-0553
and 7 more references
39
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
3/34 · Minimal
Exposure
10/34 · Low