CVE-2019-6453 Information

Description

mIRC before 7.55 allows remote command execution by using argument injection through custom URI protocol handlers. The attacker can specify an irc:// URI that loads an arbitrary .ini file from a UNC share pathname. Exploitation depends on browser-specific URI handling (Chrome is not exploitable).

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/proofofcalc/cve-2019-6453-poc https://proofofcalc.com/advisories/20190218.txt https://proofofcalc.com/cve-2019-6453-mIRC/ https://twitter.com/proofofcalc/status/1097518413143003136 https://www.exploit-db.com/exploits/46392/ https://www.mirc.com/news.html

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1