Command Injection in Tencent WeChat



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-17151
CWE-ID CWE-77
Exploitation vector Network
Public exploit N/A
Vulnerable software
 WeChat
Client/Desktop applications / Messaging software

Vendor Tencent

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command Injection

EUVDB-ID: #VU23858

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-17151

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to a lack of input validation within the parsing of a usernames . A remote attacker who is within a chat session together with the victim can execute arbitrary code in the context of the current process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WeChat: 7.0.0 - 7.0.7

CPE2.3 External links

https://www.zerodayinitiative.com/advisories/ZDI-19-1035/


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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