CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0CVE-2023-50235 – Hancom Office Show PPT File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2023-50235
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. • https://www.zerodayinitiative.com/advisories/ZDI-23-1857 • CWE-121: Stack-based Buffer Overflow •
CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0CVE-2023-50234 – Hancom Office Cell XLS File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2023-50234
Hancom Office Cell XLS 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 Cell. 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 XLS 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. • https://www.zerodayinitiative.com/advisories/ZDI-23-1856 • CWE-121: Stack-based Buffer Overflow •
CVSS: 7.0EPSS: 0%CPEs: 1EXPL: 0CVE-2023-51598 – Hancom Office Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2023-51598
Hancom Office Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Word. 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 DOC files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. • https://www.zerodayinitiative.com/advisories/ZDI-23-1855 • CWE-416: Use After Free •
CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1CVE-2023-32541
https://notcve.org/view.php?id=CVE-2023-32541
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability. Existe una vulnerabilidad de use-after-free en la funcionalidad de pie de página de Hancom Office 2020 HWord 11.0.0.7520. Un archivo .doc especialmente manipulado puede generar un use-after-free. • https://talosintelligence.com/vulnerability_reports/TALOS-2023-1759 • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 1CVE-2022-33896
https://notcve.org/view.php?id=CVE-2022-33896
A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability. Se presenta una vulnerabilidad de desbordamiento del búfer en la forma en que Hword de Hancom Office 2020 versión 11.0.0.5357, analiza los archivos de oficina basados en XML. Un archivo malformado especialmente diseñado puede causar la corrupción de la memoria mediante el uso de la memoria antes del inicio del búfer, lo que puede conllevar a una ejecución de código. • https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574 • CWE-124: Buffer Underwrite ('Buffer Underflow') •