#VU14641 Information disclosure in Mozilla Firefox - CVE-2018-12383

Vulnerability identifier: #VU14641

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-12383

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to the older stored password file was not deleted when the data was copied to a new format starting. A remote unauthenticated attacker can access stored password data.

Mitigation
Update to version 62.0.

Vulnerable software versions

Mozilla Firefox: 58.0

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External links
https://www.mozilla.org/en-US/security/advisories/mfsa2018-20/

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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.