#VU23438 Overly permissive cross-domain whitelist in Norton Password Manager - CVE-2019-18381

Vulnerability identifier: #VU23438

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-18381

CWE-ID: CWE-942

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Norton Password Manager
Client/Desktop applications / Other client software

Vendor: Broadcom

Description

The vulnerability allows a local attacker to bypass the CORS protection mechanism.

The vulnerability exists due to incorrect processing of the "Origin" HTTP header that is supplied within HTTP request. A remote authenticated attacker on local network can supply arbitrary value via the "Origin" HTTP header, bypass implemented CORS protection mechanism and perform cross-site scripting attacks against the vulnerable application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Norton Password Manager: before 6.6.2.5

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External links
https://support.symantec.com/us/en/article.SYMSA1499.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.