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CVE-2020-27818 PoC — Libpng Pngcheck 缓冲区错误漏洞

Source
https://github.com/13m0n4de/pngcheck-vulns
Associated Vulnerability
Title:Libpng Pngcheck 缓冲区错误漏洞 (CVE-2020-27818)
Description:A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application availability.
Description
Research and verification of vulnerabilities in pngcheck, including CVE-2020-27818, CVE-2020-35511 and other bugs found in version 2.4.0.
Readme
# pngcheck-vulns
File Snapshot

 [4.0K]  /data/pocs/5e86459d689dd0c3dfc0240f84cc24269aa1e5df
├── [4.0K]  CVE-2020-27818
│   ├── [ 342]  enable_asan.patch
│   ├── [  80]  poc.png
│   ├── [1.8K]  poc.py
│   └── [ 602]  README.md
├── [4.0K]  multiple-bugs-2.4.0
│   ├── [ 39K]  poc-disc.mng
│   ├── [ 39K]  poc-drop.mng
│   ├── [ 39K]  poc-need.mng
│   ├── [ 44K]  poc-past.mng
│   ├── [5.1K]  poc.py
│   ├── [ 39K]  poc-save.mng
│   ├── [  84]  poc-scal.png
│   ├── [ 39K]  poc-seek.mng
│   └── [ 820]  README.md
└── [  17]  README.md

2 directories, 14 files
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