CVE-2023-50235 : faille élevée hancom office show (CVSS 7.8)

Hancom Office Show PPT File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Show. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PPT files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20387.

Sévérité

Élevée (CVSS 7.8)

Vecteur CVSS

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation active

Non signalée par la CISA

Publication

3 mai 2024

Dernière mise à jour

17 juin 2026

• hancom office show

• Fiche CVE-2023-50235 sur le NVD (NIST)
• zerodayinitiative.com/advisories/ZDI-23-1857/