SB2022121302 - Ubuntu update for vim
Published: December 13, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2022-2345)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in function skipwhite at charset.c:1428. A remote attacker can trick the victim to open a specially crafted file and compromise vulnerable system.
2) Out-of-bounds read (CVE-ID: CVE-2022-2581)
The vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to a boundary condition within the utf_ptr2char() function in regexp.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and crash the application.
3) Use-after-free (CVE-ID: CVE-2022-3099)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the do_cmdline() function in vim/src/ex_docmd.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.
4) Use-after-free (CVE-ID: CVE-2022-3256)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the movemark() function in mark.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.
5) Stack-based buffer overflow (CVE-ID: CVE-2022-3324)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling files within the win_redr_ruler(0 function in drawscreen.c. A remote attacker can trick the victim to open a specially crafted file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
6) Use-after-free (CVE-ID: CVE-2022-3591)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the bt_quickfix() function in buffer.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.