Multiple vulnerabilities in WhatsApp for Desktop



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-11928
CVE-2020-1889
CWE-ID CWE-79
CWE-254
Exploitation vector Network
Public exploit N/A
Vulnerable software
 WhatsApp for Desktop
Client/Desktop applications / Messaging software

Vendor WhatsApp

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU46541

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-11928

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in live location message. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WhatsApp for Desktop: All versions

CPE2.3 External links

https://www.whatsapp.com/security/advisories/2020/


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.

2) Security Features

EUVDB-ID: #VU46537

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-1889

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

This vulnerability allows a remote attacker to bypass security rescritions feature.

The vulnerability exists due to a weak implemented security. A remote attacker can escape sandbox in Electron and escalate privilege if combined with a remote code execution inside the sandboxed renderer process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WhatsApp for Desktop: All versions

CPE2.3 External links

https://www.whatsapp.com/security/advisories/2020/


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.



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