Auth bypass in Microsoft Windows 7
CVE-2011-0091
Kerberos in Microsoft Windows Server 2008 R2 and Windows 7 does not prevent a session from changing from strong encryption to DES encryption, which allows man-in-the-middle attackers to spoof network traffic and obtain sensitive information via a DES downgrade, aka "Kerberos Spoofing Vulnerability."
Vulnerability class: Broken Authentication
EPSS: 0.055 (91.9th percentile) — read the EPSS interpretation.
Affected products
- Microsoft Windows_7
- Microsoft Windows_server_2008 — versions r2
- N/a — versions n/a
Weakness classification (CWE)
References
- secure@microsoft.com (vdb-entry, x_refsource_BID)
- secure@microsoft.com (x_refsource_OSVDB, vdb-entry)
- secure@microsoft.com (x_refsource_CONFIRM)
- secure@microsoft.com (x_refsource_SECUNIA, third-party-advisory)
- secure@microsoft.com (vdb-entry, x_refsource_XF)
- secure@microsoft.com (x_refsource_MS, vendor-advisory)
- secure@microsoft.com (vdb-entry, x_refsource_VUPEN)
- secure@microsoft.com (vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (signature, x_refsource_OVAL, vdb-entry)