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@@ -0,0 +1 @@
+mkcue
@@ -0,0 +1,7 @@
+all:  mkcue
+
+clean:
+	rm mkcue
+
+mkcue: mkcue.cpp utils.cpp utils.h
+	g++ -Wall -Wextra mkcue.cpp utils.cpp -o mkcue
@@ -1,5 +1,17 @@
 # CVE-2023-43641
 
-This directory contains a simple PoC for libcue [CVE-2023-43641](https://github.com/lipnitsk/libcue/security/advisories/GHSA-5982-x7hv-r9cj). Downloading [CVE-2023-43641-poc-simple.cue](CVE-2023-43641-poc-simple.cue) should trigger the bug on most GNOME systems, because [tracker-miners](https://gitlab.gnome.org/GNOME/tracker-miners) automatically scans files in `~/Downloads`. If the filename has a `.cue` extension, then tracker-miners uses [libcue](https://github.com/lipnitsk/libcue) to scan the file. The PoC triggers an out-of-bounds array access, which causes the tracker-extract process to crash.
+This directory contains three PoCs for libcue [CVE-2023-43641](https://github.com/lipnitsk/libcue/security/advisories/GHSA-5982-x7hv-r9cj).
 
-We are delaying the release of the [full PoC](https://youtu.be/beOwspTnc1Y), which exploits the vulnerability to get code execution in tracker-extract.
+The first PoC is [CVE-2023-43641-poc-simple.cue](CVE-2023-43641-poc-simple.cue). Downloading [CVE-2023-43641-poc-simple.cue](CVE-2023-43641-poc-simple.cue) should trigger the bug on most GNOME systems, because [tracker-miners](https://gitlab.gnome.org/GNOME/tracker-miners) automatically scans files in `~/Downloads`. If the filename has a `.cue` extension, then tracker-miners uses [libcue](https://github.com/lipnitsk/libcue) to scan the file. The PoC triggers an out-of-bounds array access, which causes the tracker-extract process to crash (on an unpatched system).
+
+The second PoC is [lunar.cue](lunar.cue), which exploits the vulnerability to pop a calculator when downloaded on an unpatched Ubuntu 23.04. Here's a [video](https://youtu.be/beOwspTnc1Y) of this PoC.
+
+The third PoC is [fedora38.cue](fedora38.cue), which pops a calculator when downloaded on an unpatched Fedora 38.
+
+The second and third PoCs are both generated by [mkcue.cpp](mkcue.cpp), which you can build and run like this:
+
+```bash
+make
+./mkcue Ubuntu23_04 > lunar.cue
+./mkcue Fedora38 > fedora38.cue
+```