#VU48924 Cleartext transmission of sensitive information in WinZip - CVE-2020-28003

Vulnerability identifier: #VU48924

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-28003

CWE-ID: CWE-319

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
WinZip
Client/Desktop applications / Software for archiving

Vendor: WinZip Computing, Inc.

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to WinZIP uses insecure HTTP protocol to display HTML content and deliver software updates. A remote attacker with ability to interfere with network traffic can perform Man-in-the-Middle (MitM) attack and execute arbitrary JavaScript code or supply a malicious binary during software update.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WinZip: 18.5 - 24.0

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External links
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=28202

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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