Heap-based buffer overflow in radare2 - CVE-2017-6194

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in The relocs function in libr/bin/p/bin_bflt.c in radare2 1.2.1. A remote attacker can use a crafted binary file. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2017-6194

Sources

• http://www.securityfocus.com/bid/97299
• https://github.com/radare/radare2/commit/72794dc3523bbd5bb370de3c5857cb736c387e18
• https://github.com/radare/radare2/issues/6829