SB2022090249 - openEuler update for vim

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2022-2923)

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 sug_filltree() function in spellfile.c. A remote attacker can perform a denial of service (DoS) attack.

2) Use-after-free (CVE-ID: CVE-2022-2946)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the vim_vsnprintf_typval() function in strings.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.

3) NULL pointer dereference (CVE-ID: CVE-2022-2980)

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 do_mouse() function in mouse.c. A remote attacker can perform a denial of service (DoS) attack.

4) Use-after-free (CVE-ID: CVE-2022-3016)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the get_next_valid_entry() function in quickfix.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.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1882