CVE-2021-32700

Supply chain attack via MiTM against users

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: ballerina-platform ballerina-lang
Published at:
Updated at:

References

Link Tags
https://github.com/ballerina-platform/ballerina-lang/security/advisories/GHSA-f5qg-fqrw-v5ww third party advisory
https://github.com/ballerina-platform/ballerina-lang/commit/4609ffee1744ecd16aac09303b1783bf0a525816 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-32700?
CVE-2021-32700 has been scored as a critical severity vulnerability.
How to fix CVE-2021-32700?
To fix CVE-2021-32700, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32700 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32700 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32700?
CVE-2021-32700 affects ballerina-platform ballerina-lang.
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