Description
diagchar_core.c in the Qualcomm Innovation Center (QuIC) Diagnostics (aka DIAG) kernel-mode driver for Android 2.3 through 4.2 allows attackers to execute arbitrary code or cause a denial of service (incorrect pointer dereference) via an application that uses crafted arguments in a local diagchar_ioctl call.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
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poliva/root-zte-open ★ 16 · Jul 5, 2013
exploit for CVE-2012-4220 working on zte-open
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hiikezoe/diaggetroot ★ 12 · Jan 7, 2013
Obtain root access through CVE-2012-4220
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.