Anolis OS update for bzip2

Published: 2025-03-28

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-12900
CWE-ID	CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Anolis OS Operating systems & Components / Operating system bzip2-static Operating systems & Components / Operating system package or component bzip2-libs Operating systems & Components / Operating system package or component bzip2-devel Operating systems & Components / Operating system package or component bzip2 Operating systems & Components / Operating system package or component
Vendor	OpenAnolis

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU19178

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-12900

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 within the BZ2_decompress() function in decompress.c. A remote attacker can create a specially crafted archive, trick the victim into opening it using the affected library, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

bzip2-static: before 1.0.6-27

bzip2-libs: before 1.0.6-27

bzip2-devel: before 1.0.6-27

bzip2: before 1.0.6-27

CPE2.3

External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:1041

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.