CVE-2019-6453

moderate-risk
Published 2019-02-18

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).

Do I need to act?

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84.9% chance of exploitation in next 30 days
EPSS score — higher than 15% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
46392
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Mirc

References (12)

Exploit https://github.com/proofofcalc/cve-2019-6453-poc
Third Party Advisory https://proofofcalc.com/advisories/20190218.txt
Exploit https://proofofcalc.com/cve-2019-6453-mIRC/
Exploit https://twitter.com/proofofcalc/status/1097518413143003136
Exploit https://www.exploit-db.com/exploits/46392/
Product https://www.mirc.com/news.html
Exploit https://github.com/proofofcalc/cve-2019-6453-poc
Third Party Advisory https://proofofcalc.com/advisories/20190218.txt
Exploit https://proofofcalc.com/cve-2019-6453-mIRC/
Exploit https://twitter.com/proofofcalc/status/1097518413143003136
Exploit https://www.exploit-db.com/exploits/46392/
Product https://www.mirc.com/news.html
49
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal