SB2022120176 - Fedora 38 update for mujs
Published: December 1, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2022-44789)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing JavaScript files within the O_getOwnPropertyDescriptor() function. A remote attacker can pass a specially crafted JavaScript file to the application, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
2) NULL pointer dereference (CVE-ID: CVE-2022-30975)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the jsP_dumpsyntax() function in jsdump.c. A remote attacker can perform a denial of service (DoS) attack.
3) Uncontrolled Recursion (CVE-ID: CVE-2022-30974)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a regular expression denial of service (DoS) attack.
The vulnerability exists due to unlimited recursion within the compile() function in regexp.cc. A remote attacker can pass a specially crafted string to the application and consume all available CPU resources on the system.Remediation
Install update from vendor's website.