SB2022053149 - Fedora 34 update for vim
Published: May 31, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2022-1851)
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to illegal memory access and leads to an out-of-bounds read vulnerability in the gchar_cursor() function. A local attacker can trick the victim into opening a specially crafted file, leading to a system crash or code execution.
2) Use-after-free (CVE-ID: CVE-2022-1898)
The vulnerability allows a local attacker to execute arbitrary code on the system.
The vulnerability exists due to Illegal memory access and leads to a use-after-free vulnerability in the find_pattern_in_path() function. A local attacker can trick the victim into opening a specially crafted file, leading to a system crash or code execution.
3) Out-of-bounds write (CVE-ID: CVE-2022-1897)
The vulnerability allows a local attacker to execute arbitrary code on the system.
The vulnerability exists due to Illegal memory access and leads to an out-of-bounds write vulnerability in the vim_regsub_both() function. A local attacker can trick the victim into opening a specially crafted file, leading to a system crash or code execution.
4) Out-of-bounds read (CVE-ID: CVE-2022-1927)
The vulnerability allows a local attacker to execute arbitrary code on the system.
The vulnerability exists due to Illegal memory access and leads to a buffer over-read vulnerability in the utf_ptr2char() function. A local attacker can trick the victim into opening a specially crafted file, trigger out-of-bounds read error and execute arbitrary code on the system.
Remediation
Install update from vendor's website.