libzvbi io-sim.c vbi_capture_sim_load_caption integer overflow
Vulnerability Description
A vulnerability classified as critical has been found in libzvbi up to 0.2.43. This affects the function vbi_capture_sim_load_caption of the file src/io-sim.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.2.44 is able to address this issue. The identifier of the patch is ca1672134b3e2962cd392212c73f44f8f4cb489f. It is recommended to upgrade the affected component. The code maintainer was informed beforehand about the issues. She reacted very fast and highly professional.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Yariv Nedivi
- ninpwn (VulDB User)
- ninpwn (VulDB User)
References
- https://vuldb.com/?id.299205
- https://vuldb.com/?ctiid.299205
- https://vuldb.com/?submit.512802
- https://github.com/zapping-vbi/zvbi/security/advisories/GHSA-g7cg-7gw9-v8cf
- https://github.com/zapping-vbi/zvbi/commit/ca1672134b3e2962cd392212c73f44f8f4cb489f
- https://github.com/zapping-vbi/zvbi/releases/tag/v0.2.44