CVE-2020-20949

Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in STM32 cryptographic firmware library software expansion for STM32Cube (UM1924). 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.

Link	Resource
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
http://st.com	Product
http://x-cube-cryptolib.com	Broken Link
https://www.st.com/en/embedded-software/x-cube-cryptolib.html	Third Party Advisory
http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf	Technical Description Third Party Advisory

Configuration 1

cpe:2.3:a:st:stm32cubemx:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubeide:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubeprogrammer:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubemonitor:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubel1:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubel0:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubel4:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubel5:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubef0:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubef1:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubef2:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubef3:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubef4:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubef7:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubel4+:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubemp1:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubewb:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubewl:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubeh7:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubeg0:-:*:*:*:*:*:*:* cpe:2.3:a:st:stm32cubeg4:-:*:*:*:*:*:*:* cpe:2.3:a:ietf:public_key_cryptography_standards_#1:1.5:*:*:*:*:*:*:*

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Published : 2021-01-20 04:15

Updated : 2021-07-21 11:39

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NVD link : CVE-2020-20949

Mitre link : CVE-2020-20949

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CWE-327