Anolis OS update for libxml2

1) Use-after-free

EUVDB-ID: #VU83291

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-45322

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 xmlUnlinkNode() function in tree.c. A remote attacker can pass a specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

libxml2-doc: before 2.11.5-1

python3-libxml2: before 2.11.5-1

libxml2-static: before 2.11.5-1

libxml2-devel: before 2.11.5-1

libxml2: before 2.11.5-1

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:23:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:libxml2-doc:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-libxml2:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libxml2-static:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libxml2-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libxml2:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0801

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.