cve/2020/CVE-2020-27787.md

### [CVE-2020-27787](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27787)
![](https://img.shields.io/static/v1?label=Product&message=upx&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-119%20-%20Improper%20Restriction%20of%20Operations%20within%20the%20Bounds%20of%20a%20Memory%20Buffer&color=brighgreen)

### Description

A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

### POC

#### Reference
- https://github.com/upx/upx/issues/333
- https://github.com/upx/upx/issues/333

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-27787
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00			`### [CVE-2020-27787](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27787)`
			`![](https://img.shields.io/static/v1?label=Product&message=upx&color=blue)`
			`![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-119%20-%20Improper%20Restriction%20of%20Operations%20within%20the%20Bounds%20of%20a%20Memory%20Buffer&color=brighgreen)`

			`### Description`

			`A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.`

			`### POC`

			`#### Reference`
			`- https://github.com/upx/upx/issues/333`
Update CVE sources 2024-06-09 00:33 2024-06-09 00:33:16 +00:00			`- https://github.com/upx/upx/issues/333`
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00
			`#### Github`
			`- https://github.com/Live-Hack-CVE/CVE-2020-27787`