DEP Violation in WindowsDllDetourPatcher: Exploiting Unprotected RWX Block

CVE-2017-7782 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

An error in the "WindowsDllDetourPatcher" where a RWX ("Read/Write/Execute") 4k block is allocated but never protected, violating DEP protections. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Learn more about our Cis Benchmark Audit For Operating Systems.