exploitbox/git-lfs-rce-exploit-cve-2020-27955-goGo-based exploit for CVE-2020-27955, achieving remote code execution via Git LFS on Windows across multiple development tools including Git, VS Code, and GitHub Desktop.
Discovered by Dawid Golunski
Tested on Windows on:
git, GitHub CLI (gh), GitHub Desktop, Visual Studio Code, SourceTree, SmartGit, GitKraken etc.
Basically, the whole Windows dev world ;)
Check out the full advisories for details and patch information:
Video PoC:
There's also a BAT / Powershell version of this exploit in a repo with LFS enabled already:
.;lc'
.,cdkkOOOko;.
.,lxxkkkkOOOO000Ol'
.':oxxxxxkkkkOOOO0000KK0x:'
.;ldxxxxxxxxkxl,.'lk0000KKKXXXKd;.
':oxxxxxxxxxxo;. .:oOKKKXXXNNNNOl.
'';ldxxxxxdc,. ,oOXXXNNNXd;,.
.ddc;,,:c;. ,c: .cxxc:;:ox:
.dxxxxo, ., ,kMMM0:. ., .lxxxxx:
.dxxxxxc lW. oMMMMMMMK d0 .xxxxxx:
.dxxxxxc .0k.,KWMMMWNo :X: .xxxxxx:
.dxxxxxc .xN0xxxxxxxkXK, .xxxxxx:
.dxxxxxc lddOMMMMWd0MMMMKddd. .xxxxxx:
.dxxxxxc .cNMMMN.oMMMMx' .xxxxxx:
.dxxxxxc lKo;dNMN.oMM0;:Ok. 'xxxxxx:
.dxxxxxc ;Mc .lx.:o, Kl 'xxxxxx:
.dxxxxxdl;. ., .. .;cdxxxxxx:
.dxxxxxxxxxdc,. 'cdkkxxxxxxxx:
.':oxxxxxxxxxdl;. .;lxkkkkkxxxxdc,.
.;ldxxxxxxxxxdc, .cxkkkkkkkkkxd:.
.':oxxxxxxxxx.ckkkkkkkkxl,.
.,cdxxxxx.ckkkkkxc.
.':odx.ckxl,.
.,.'.
Stay tuned