SB2022070807 - Ubuntu update for vim
Published: July 8, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) 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.
2) Heap-based buffer overflow (CVE-ID: CVE-2022-1942)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in buffer.c. A remote attacker can trick the victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Use-after-free (CVE-ID: CVE-2022-1968)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in search.c. A remote attacker can trick the victim to open a specially crafted file, 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.
Remediation
Install update from vendor's website.