SB2021020115 - Multiple vulnerabilities in Klog Server

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Main Vulnerability Database SB2021020115

SB2021020115 - Multiple vulnerabilities in Klog Server

Published: February 1, 2021

Security Bulletin ID SB2021020115
Severity
High
Patch available
NO
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2021-3317)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the "shell_exec()" call of async.php script. A remote authenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) OS Command Injection (CVE-ID: CVE-2020-35729)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the "user" parameter in actions/authenticate.php. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References