Vulnerability Details CVE-2020-20950
Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in Microchip Libraries for Applications 2018-11-26 All up to 2018-11-26. The vulnerability can allow one to use Bleichenbacher's oracle attack to decrypt an encrypted ciphertext by making successive queries to the server using the vulnerable library, resulting in remote information disclosure.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 47.6%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 4.3
References
- http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf
- http://microchip.com
- https://bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bb
- https://www.microchip.com/mplab/microchip-libraries-for-applications
- http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf
- http://microchip.com
- https://bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bb
- https://www.microchip.com/mplab/microchip-libraries-for-applications
Products affected by CVE-2020-20950
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cpe:2.3:a:ietf:public_key_cryptography_standards_#1:1.5
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cpe:2.3:a:microchip:microchip_libraries_for_applications:2018-11-26
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cpe:2.3:o:apple:macos:-
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cpe:2.3:o:linux:linux_kernel:-
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cpe:2.3:o:microsoft:windows:-