Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU64696
Risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-21803
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to modify files on the system.
The vulnerability exists due to .set() function that is responsible for setting the configuration properties is vulnerable to Prototype Pollution. A remote attacker can provide a specially crafted property, leading to prototype object pollution.
MitigationInstall update from vendor's website.
Vulnerable software versionsnconf: 0.1.0 - 0.11.3
CPE2.3https://snyk.io/vuln/SNYK-JS-NCONF-2395478
https://github.com/indexzero/nconf/releases/tag/v0.11.4
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2632450
https://github.com/indexzero/nconf/pull/397
https://bugzilla.redhat.com/show_bug.cgi?id=2074689
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.