Analysis by: John Donnie Celestre
ALIASES:

HEUR:Exploit.Linux.Dirtycow.a (Kaspersky); a variant of Linux/Exploit.CVE-2016-5195.E (ESET-NOD32)

 PLATFORM:

Linux

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Exploit

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Exploit arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Once a malware successfully exploits the said vulnerability, it causes certain actions to be done on the system. It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size: 10,503 bytes
File Type: ELF
Initial Samples Received Date: 29 Nov 2018

Arrival Details

This Exploit arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

Once a malware successfully exploits the said vulnerability, it causes the following actions to be done on the system:

  • Escalate local user privileges.

It takes advantage of the following vulnerabilities:

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.658.04
FIRST VSAPI PATTERN DATE: 30 Nov 2018
VSAPI OPR PATTERN File: 14.659.00
VSAPI OPR PATTERN Date: 01 Dec 2018

Scan your computer with your Trend Micro product to delete files detected as Trojan.Linux.MADVISE.AB. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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