Denial of Service (DoS) Affecting www.velocidex.com/golang/velociraptor/vql/parsers package, versions <0.6.8
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published23 Apr 2023
- disclosed23 Apr 2023
- creditUnknown
Introduced: 23 Apr 2023
CVE-2023-2226 (opens in a new tab)How to fix?
Upgrade www.velocidex.com/golang/velociraptor/vql/parsers to version 0.6.8 or higher.
Overview
www.velocidex.com/golang/velociraptor/vql/parsers is an a tool for collecting host based state information using Velocidex Query Language (VQL) queries.
Affected versions of this package are vulnerable to Denial of Service (DoS). Due to insufficient validation in the PE and OLE parsers attacker can crash Velociraptor during parsing of maliciously malformed files. For this attack to succeed, the attacker needs to be able to introduce malicious files to the system at the same time that Velociraptor attempts to collect any artifacts that attempt to parse PE files, Authenticode signatures, or OLE files. After crashing, the Velociraptor service will restart and it will still be possible to collect other artifacts.
Details
Denial of Service (DoS) describes a family of attacks, all aimed at making a system inaccessible to its intended and legitimate users.
Unlike other vulnerabilities, DoS attacks usually do not aim at breaching security. Rather, they are focused on making websites and services unavailable to genuine users resulting in downtime.
One popular Denial of Service vulnerability is DDoS (a Distributed Denial of Service), an attack that attempts to clog network pipes to the system by generating a large volume of traffic from many machines.
When it comes to open source libraries, DoS vulnerabilities allow attackers to trigger such a crash or crippling of the service by using a flaw either in the application code or from the use of open source libraries.
Two common types of DoS vulnerabilities:
High CPU/Memory Consumption- An attacker sending crafted requests that could cause the system to take a disproportionate amount of time to process. For example, commons-fileupload:commons-fileupload.
Crash - An attacker sending crafted requests that could cause the system to crash. For Example, npm
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