CVE-2018-1339 – DoS (Infinite Loop) Vulnerability in Apache Tika’s ChmParser


Severity: Important


Vendor: The Apache Software Foundation


Versions Affected: <1.18


Description: A carefully crafted (or fuzzed) file can trigger an infinite loop in Apache Tika's ChmParser.


Mitigation: Turn off the ChmParser or upgrade to Apache Tika >=1.18.


Credit: Tobias Ospelt of modzero AG discovered this issue by fuzzing with Kelinci (https://github.com/isstac/kelinci).