Researchers discovered five critical vulnerabilities in Comodo Antivirus / Advanced version. Out of five vulnerabilities four present in version 12.0.0.6810 and one with 11.0.0.6582.
The vulnerabilities discovered at Tenable by David Wells, these vulnerabilities could be exploited by the attacker on the target system by “escaping sandbox as well as a privilege escalation to SYSTEM.”
Five Vulnerabilities – Comodo Antivirus
These vulnerabilities have been reported to Comodo in mid-April, but the time of writing, the vulnerabilities have not yet fixed.
CVE-2019-3969 – An attacker can gain access to the target system by escaping the Comodo Antivirus sandbox and can elevate the privileges to “NT AUTHORTIYSYSTEM” system user level.
CVE-2019-3970 – Arbitrary File Write vulnerability present in Comodo Antivirus allows an attacker to modify the virus definition database, “allows an attacker to create false positives or simply bypassing AV signatures through deleting/modifying database data.”
CVE-2019-3971 – Denial of service flaw resides with CmdVirth.exe, a low privileged user can trigger the vulnerability by sending a LPC_DATAGRAM which triggers access violation due to hardcoded NULLs used for a memcpy source address results in process termination.
CVE-2019-3972 – Out-of-bounds can be caused by modifying the SharedMemoryDictionary structure that results in a possible crash.
CVE-2019-3973 – The Out-of-Bounds Write can be exploited to crash the application components and kernel crash.
David Wells published the PoC code on Github and also a ..
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