Microsoft Windows CryptoAPI Spoofing Vulnerability
- When
- · day precision
- Where
- Global (internet)
- Category
- cyber_exploit
Microsoft Windows CryptoAPI (Crypt32.dll) contains a spoofing vulnerability in the way it validates Elliptic Curve Cryptography (ECC) certificates. An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source. A successful exploit could also allow the attacker to conduct man-in-the-middle attacks and decrypt confidential information on user connections to the affected software. The vulnerability is also known under the moniker of CurveBall.
Sources
- CISA ↗ · first seen 2021-11-03 00:00 UTC
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