The GSS-RPC transport layer in MIT Kerberos 5 (aka krb5) 1.4 and later does not release the previous authentication context when a client switches…
The GSS-RPC transport layer in MIT Kerberos 5 (aka krb5) 1.4 and later does not release the previous authentication context when a client switches from an RPCSEC_GSS or AUTH_GSSAPI flavor to a non-GSS flavor on the same TCP connection. This allows remote attackers to cause a denial of service (memory exhaustion in kadmind) by repeatedly establishing and abandoning GSS authentication contexts.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
- CVSS v3.1
- 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness
- CWE-772
- Exposure class
- Identity, Operating system
- NVD status
- Awaiting Analysis
Why it ranks 43 (Notable)
- CVSS v3.1 7.5 high
- Exposed product class: identity
- Widely deployed vendor product (Red Hat)
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.