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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:ietf:public_key_cryptography_standards_\#1:1.5:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:a:microchip:microchip_libraries_for_applications:*:*:*:*:*:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

08 Sep 2021, 17:22

Type Values Removed Values Added
CWE CWE-326 CWE-327
CPE cpe:2.3:o:apple:mac_os:-:*:*:*:*:*:*:* cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

02 Feb 2021, 15:57

Type Values Removed Values Added
CWE CWE-326
CVSS v2 : unknown
v3 : unknown
v2 : 4.3
v3 : 5.9
CPE cpe:2.3:a:microchip:microchip_libraries_for_applications:*:*:*:*:*:*:*:*
cpe:2.3:a:ietf:public_key_cryptography_standards_\#1:1.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os:-:*:*:*:*:*:*:*
References (MISC) https://www.microchip.com/mplab/microchip-libraries-for-applications - (MISC) https://www.microchip.com/mplab/microchip-libraries-for-applications - Product
References (MISC) https://bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bb - (MISC) https://bi-zone.medium.com/silence-will-fall-or-how-it-can-take-2-years-to-get-your-vuln-registered-e6134846f5bb - Technical Description, Third Party Advisory
References (MISC) http://microchip.com - (MISC) http://microchip.com - Product
References (MISC) http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf - (MISC) http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf - Technical Description, Third Party Advisory

19 Jan 2021, 13:31

Type Values Removed Values Added
New CVE

Information

Published : 2021-01-19 13:15

Updated : 2023-12-10 13:41


NVD link : CVE-2020-20950

Mitre link : CVE-2020-20950

CVE.ORG link : CVE-2020-20950


JSON object : View

Products Affected

microchip

  • microchip_libraries_for_applications

apple

  • macos

linux

  • linux_kernel

microsoft

  • windows

ietf

  • public_key_cryptography_standards_\#1
CWE
CWE-327

Use of a Broken or Risky Cryptographic Algorithm