Access of Uninitialized Pointer in zvbi - CVE-2025-2173
Published: March 24, 2025
Vulnerability identifier: #VU105976
CSH Severity: Medium
CVSS v4.0: 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
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: zapping-vbi
Affected software:
zvbi
zvbi
Detailed vulnerability 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.
How to mitigate CVE-2025-2173
Install updates from vendor's website.
Sources
- https://github.com/zapping-vbi/zvbi/commit/8def647eea27f7fd7ad33ff79c2d6d3e39948dce
- https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44
- https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf
- https://vuldb.com/?ctiid.299202
- https://vuldb.com/?id.299202
- https://vuldb.com/?submit.512798