openEuler update for vim

Published: 2021-12-17

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-4019 CVE-2021-4069
CWE-ID	CWE-787 CWE-416
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	openEuler Operating systems & Components / Operating system vim-filesystem Operating systems & Components / Operating system package or component vim-minimal Operating systems & Components / Operating system package or component vim-common Operating systems & Components / Operating system package or component vim-X11 Operating systems & Components / Operating system package or component vim-enhanced Operating systems & Components / Operating system package or component vim-debuginfo Operating systems & Components / Operating system package or component vim-debugsource Operating systems & Components / Operating system package or component vim Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU63048

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-4019

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error. 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.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP2

vim-filesystem: before 8.2-10

vim-minimal: before 8.2-10

vim-common: before 8.2-10

vim-X11: before 8.2-10

vim-enhanced: before 8.2-10

vim-debuginfo: before 8.2-10

vim-debugsource: before 8.2-10

vim: before 8.2-10

CPE2.3

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1463

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU60795