Anolis OS update for qt5-qtbase

1) Out-of-bounds write

EUVDB-ID: #VU66867

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-38593

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when rendering SVG file within in QOutlineMapper::convertPath. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and crash the application.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

qt5-qtbase-common: before 5.15.2-4.0.1

qt5-qtbase-private-devel: before 5.15.2-4.0.1

qt5-qtbase-postgresql: before 5.15.2-4.0.1

qt5-qtbase-odbc: before 5.15.2-4.0.1

qt5-qtbase-mysql: before 5.15.2-4.0.1

qt5-qtbase-gui: before 5.15.2-4.0.1

qt5-qtbase-examples: before 5.15.2-4.0.1

qt5-qtbase-devel: before 5.15.2-4.0.1

qt5-qtbase: before 5.15.2-4.0.1

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-common:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-private-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-postgresql:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-odbc:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-mysql:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-gui:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-examples:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:o:openanolis:qt5-qtbase:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2022:0410

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.