SB2023031656 - SUSE update for vim

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Division by zero (CVE-ID: CVE-2023-0512)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a divide by zero in the adjust_skipcol() function in move.c. A remote attacker can trick the victim to open a specially crafted file and crash the editor.

2) Division by zero (CVE-ID: CVE-2023-1127)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a divide by zero error within the scrolldown() function in move.c. A remote attacker can trick the victim to open a specially crafted file and crash the editor.

3) Heap-based buffer overflow (CVE-ID: CVE-2023-1170)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the utf_ptr2char() function in mbyte.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.

4) Buffer overflow (CVE-ID: CVE-2023-1175)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the yank_copy_line() function in register.c. A remote attacker can create a specially crafted, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2023/suse-su-20230781-1/