CVE-2021-32700 Supply chain attack via MiTM against users
Attackers can inject malicious code into Ballerina executables by intercepting unencrypted package downloads, requiring users to upgrade to patched versions.
- 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-2021-32700?
CVE-2021-32700 is a critical vulnerability in ballerina-platform ballerina-lang, published on 22 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Ballerina is an open source programming language and platform for cloud application programmers. Ballerina versions 1.2.x and SL releases up to alpha 3 have a potential for a supply chain attack via MiTM against users. Http connections did not make use of TLS and certificate checking was ignored. The vulnerability allows an attacker to substitute or modify packages retrieved from BC thus allowing to inject malicious code into ballerina executables. This has been patched in Ballerina 1.2.14 and Ballerina SwanLake alpha4.
Weakness: CWE-306
Which versions are affected by CVE-2021-32700?
It affects 2 products.
Products include Ballerina Ballerina, Ballerina Swan Lake.
How do I fix CVE-2021-32700?
No fix has been published for CVE-2021-32700 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-32700 being exploited?
There is no known exploitation of CVE-2021-32700 in the wild and no public exploit code.
Sources
Also known as GHSA-f5qg-fqrw-v5ww, GHSA-jpjf-qc9h-8jgp.