VulnerabilityModified
CVE-2019-6453
mIRC before 7.55 allows remote command execution by using argument injection through custom URI protocol handlers.
HIGH 8.1EPSS 54.3%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 54.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 54.29% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-88
- Affected
- mirc/mirc
- Source
- cve@mitre.org
References
- https://github.com/proofofcalc/cve-2019-6453-pocExploit, Third Party Advisory
- https://proofofcalc.com/advisories/20190218.txtThird Party Advisory
- https://proofofcalc.com/cve-2019-6453-mIRC/Exploit, Third Party Advisory
- https://twitter.com/proofofcalc/status/1097518413143003136Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/46392/Exploit, Third Party Advisory, VDB Entry
- https://www.mirc.com/news.htmlProduct
- https://github.com/proofofcalc/cve-2019-6453-pocExploit, Third Party Advisory
- https://proofofcalc.com/advisories/20190218.txtThird Party Advisory
- https://proofofcalc.com/cve-2019-6453-mIRC/Exploit, Third Party Advisory
- https://twitter.com/proofofcalc/status/1097518413143003136Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/46392/Exploit, Third Party Advisory, VDB Entry
- https://www.mirc.com/news.htmlProduct
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.