[Pkg-javascript-devel] Bug#976390: node-y18n: CVE-2020-7774

[Salvatore Bonaccorso]

Source: node-y18n
Version: 4.0.0-2
Severity: important
Tags: security upstream
Forwarded: https://github.com/yargs/y18n/issues/96
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for node-y18n.

CVE-2020-7774[0]:
| This affects the package y18n before 5.0.5. PoC by po6ix: const y18n =
| require('y18n')(); y18n.setLocale('__proto__');
| y18n.updateLocale({polluted: true}); console.log(polluted); // true


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-7774
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7774
[1] https://github.com/yargs/y18n/issues/96
[2] https://github.com/yargs/y18n/pull/108
[3] https://snyk.io/vuln/SNYK-JS-Y18N-1021887

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore