Threat Brief: Kerberos KDC Security Feature Bypass Vulnerability (CVE-2020-17049 AKA Bronze Bit)
Summary: Microsoft disclosed CVE-2020-17049, dubbed Bronze Bit, a vulnerability in how the Kerberos Key Distribution Center handles service tickets and validates whether delegation is allowed. An attacker who tampers with a Kerberos service ticket can authenticate to the target as any user, including sensitive accounts and members of the Protected Users group.
What's compelling: The flaw lets an attacker impersonate members of the Protected Users group, the tier organizations rely on to shield their most privileged accounts, and Microsoft will not enforce the patch until on or after May 11, 2021.
Read the original at Unit 42 Palo Alto Networks ↗
- Topics
- Vulnerabilities & Patching
- Mentions
- CVE-2020-17049
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