Threat Explorer

The Threat Explorer is a comprehensive resource consumers can turn to for daily, accurate, up-to-date information on the latest threats, risks and vulnerabilities.

Exp.CVE-2019-0797

Exp.CVE-2019-0797

Discovered:
11 March 2019
Updated:
13 March 2019
Infection Length:
Varies
Systems Affected:
Windows
CVE References:
CVE-2019-0797
Exp.CVE-2019-0797 is a heuristic detection for files attempting to exploit the Microsoft Windows Win32k Local Privilege Escalation Vulnerability (CVE-2019-0797).

Antivirus Protection Dates

  • Initial Rapid Release version 12 March 2019 revision 022
  • Latest Rapid Release version 12 March 2019 revision 022
  • Initial Daily Certified version 13 March 2019 revision 001
  • Latest Daily Certified version 13 March 2019 revision 001
  • Initial Weekly Certified release date 13 March 2019
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Exp.CVE-2019-0797 is a heuristic detection for files attempting to exploit the Microsoft Windows Win32k Local Privilege Escalation Vulnerability (CVE-2019-0797).

Files that are detected as Exp.CVE-2019-0797 may be malicious. If you have reason to believe that your files are incorrectly detected by Symantec products, you can submit them to Symantec Security Response for further analysis.

Recommendations

Symantec Security Response encourages all users and administrators to adhere to the following basic security "best practices":

  • Use a firewall to block all incoming connections from the Internet to services that should not be publicly available. By default, you should deny all incoming connections and only allow services you explicitly want to offer to the outside world.
  • Enforce a password policy. Complex passwords make it difficult to crack password files on compromised computers. This helps to prevent or limit damage when a computer is compromised.
  • Ensure that programs and users of the computer use the lowest level of privileges necessary to complete a task. When prompted for a root or UAC password, ensure that the program asking for administration-level access is a legitimate application.
  • Disable AutoPlay to prevent the automatic launching of executable files on network and removable drives, and disconnect the drives when not required. If write access is not required, enable read-only mode if the option is available.
  • Turn off file sharing if not needed. If file sharing is required, use ACLs and password protection to limit access. Disable anonymous access to shared folders. Grant access only to user accounts with strong passwords to folders that must be shared.
  • Turn off and remove unnecessary services. By default, many operating systems install auxiliary services that are not critical. These services are avenues of attack. If they are removed, threats have less avenues of attack.
  • If a threat exploits one or more network services, disable, or block access to, those services until a patch is applied.
  • Always keep your patch levels up-to-date, especially on computers that host public services and are accessible through the firewall, such as HTTP, FTP, mail, and DNS services.
  • Configure your email server to block or remove email that contains file attachments that are commonly used to spread threats, such as .vbs, .bat, .exe, .pif and .scr files.
  • Isolate compromised computers quickly to prevent threats from spreading further. Perform a forensic analysis and restore the computers using trusted media.
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    ApacheSling/2.4 (jetty/9.2.9.v20150224, Java HotSpot(TM) 64-Bit Server VM 1.8.0_72, Linux 3.10.0-957.1.3.el7.x86_64 amd64)