CVE-2019-6453

High

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).

SeverityHigh
CVSS8.1
Exploit probability—
ProductMirc
PublishedFeb 18, 2019
First seenFeb 18, 2019

How to fix

Update
  • mirc mirc7.55 or later

Affected products

ProductAffected versionsFixed in
mirc mircv < 7.557.55

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CVE-2019-6453 · Mirc · Dark Radar