CVE-2020-20950 Weak cryptography in n/a
An attacker can decrypt RSA ciphertexts via a Bleichenbacher oracle attack on the Microchip Libraries for Applications, leading to remote information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-20950?
CVE-2020-20950 is a medium-severity vulnerability in n/a, published on 19 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-327
Which versions are affected by CVE-2020-20950?
It affects 2 products.
Products include Ietf Public Key Cryptography Standards \#1, Microchip Microchip Libraries for Applications.
How do I fix CVE-2020-20950?
No fix has been published for CVE-2020-20950 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-20950 being exploited?
There is no known exploitation of CVE-2020-20950 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vw76-vm27-jx3r.