openEuler 20.03 LTS SP4 update for zvbi

1) Access of Uninitialized Pointer

EUVDB-ID: #VU105976

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-2173

CWE-ID: CWE-824 - Access of Uninitialized Pointer

Exploit availability: No

Description

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

The vulnerability exists due to access to uninitialized pointer within the vbi_strndup_iconv_ucs2() function in src/conv.c. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

zvbi-help: before 0.2.35-9

zvbi-devel: before 0.2.35-9

zvbi-debugsource: before 0.2.35-9

zvbi-debuginfo: before 0.2.35-9

zvbi: before 0.2.35-9

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
• cpe:2.3:a:openeuler:zvbi-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:zvbi-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:zvbi-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:zvbi-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:zvbi:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1329

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.