openEuler update for ncurses

1) NULL pointer dereference

EUVDB-ID: #VU92195

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-45918

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in tgetstr in tinfo/lib_termcap.c. A remote attacker can trick the victim to open a specially crafted file with the affected application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP3

ncurses-base: before 6.2-6

ncurses-debugsource: before 6.2-6

ncurses-help: before 6.2-6

ncurses-devel: before 6.2-6

ncurses-debuginfo: before 6.2-6

ncurses-libs: before 6.2-6

ncurses: before 6.2-6

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1125

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.