Vulnerability in Gnu Gnutls
CVE-2023-0361
A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To…
EPSS: 0.014 (69.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Gnu Gnutls — versions 3.6.8-11.el8_2
- Netapp Active_iq_unified_manager
- Netapp Converged_systems_advisor_agent
- Netapp Ontap_select_deploy_administration_utility
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 36, 37, 38
- Redhat Enterprise_linux — versions 8.0, 9.0
- N/a Gnutls — versions gnutls-3.7.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Patch, Issue Tracking)
- secalert@redhat.com (Exploit, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2023-0361?
- CVE-2023-0361 is a high-severity vulnerability in Gnu Gnutls, classified under Observable Discrepancy. CVSS score: 7.4/10. Published 2023-02-15.
- How severe is CVE-2023-0361?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2023-0361 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.