SB2020070918 - Red Hat Enterprise Linux 7 update for kdelibs
Published: July 9, 2020
Security Bulletin ID
SB2020070918
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) OS Command Injection (CVE-ID: CVE-2019-14744)
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when processing .desktop and .directory files within the KConfigGroup::readEntry() function. A remote attacker can create a specially crafted file or folder, trick the user into opening it and execute arbitrary OS commands with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Examples:
1) payload.desktop
[Desktop Entry]
Icon[$e]=$(echo${IFS}0>~/Desktop/zero.lol&)
2) .directory
[Desktop Entry]
Type=Directory
Icon[$e]=$(echo${IFS}0>~/Desktop/zero.lol&) Remediation
Install update from vendor's website.