CVEs-PoC/2014/CVE-2014-3100.md

CVE-2014-3100

Description

Stack-based buffer overflow in the encode_key function in /system/bin/keystore in the KeyStore service in Android 4.3 allows attackers to execute arbitrary code, and consequently obtain sensitive key information or bypass intended restrictions on cryptographic operations, via a long key name.

POC

Reference

• http://packetstormsecurity.com/files/127185/Android-KeyStore-Stack-Buffer-Overflow.html
• http://securityintelligence.com/android-keystore-stack-buffer-overflow-to-keep-things-simple-buffers-are-always-larger-than-needed/
• http://www.slideshare.net/ibmsecurity/android-keystorestackbufferoverflow

Github

• https://github.com/ksparakis/apekit
• https://github.com/shellcong/seccomp_keystore