CVE-2020-28441: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

July 26, 2022 (updated August 4, 2022)

This affects the package conf-cfg-ini before 1.2.2. If an attacker submits a malicious INI file to an application that parses it with decode, they will pollute the prototype on the application. This can be exploited further depending on the context.

References

github.com/advisories/GHSA-m6mg-jvjf-w44x
github.com/loge5/conf-cfg-ini/commit/3a88a6c52c31eb6c0f033369eed40aa168a636ea
github.com/loge5/conf-cfg-ini/commit/ecd878f8f7398e765739e989c7fe7cc052308947
nvd.nist.gov/vuln/detail/CVE-2020-28441
security.snyk.io/vuln/SNYK-JS-CONFCFGINI-1048973

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