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CVE-2014-3538

Description

file before 5.19 does not properly restrict the amount of data read during a regex search, which allows remote attackers to cause a denial of service (CPU consumption) via a crafted file that triggers backtracking during processing of an awk rule. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-7345.

POC

Reference

- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html

- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

Github

- https://github.com/Live-Hack-CVE/CVE-2014-3538

- https://github.com/engn33r/awesome-redos-security