openEuler 20.03 LTS SP1 update for vim

1) Use-after-free

EUVDB-ID: #VU83442

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-48706

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the ex_substitute() function in src/charset.c when executing the ":s" command. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and crash the application.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

vim-filesystem: before 9.0-22

vim-debugsource: before 9.0-22

vim-common: before 9.0-22

vim-minimal: before 9.0-22

vim-debuginfo: before 9.0-22

vim-enhanced: before 9.0-22

vim-X11: before 9.0-22

vim: before 9.0-22

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1901

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.