A carefully crafted (or fuzzed) file can trigger an infinite loop in Apache Tika's ChmParser in versions of Apache Tika before 1.18.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-1339 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of tika which is embedded in the nutch package as shipped with Red Hat Satellite 5. The tika server is not exposed, as such exploitation is difficult, Red Hat Product Security has rated this issue as having security impact of Low. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat JBoss Fuse 7 | RHSA-2018:2669 | 2018-09-11 |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-eclipse46-tika | Not affected |
| Red Hat Satellite 5 | tika | Will not fix |
| Red Hat JBoss Fuse Service Works 6 | tika-core | Not affected |
| Red Hat JBoss Data Virtualization 6 | tika-core | Will not fix |
| Red Hat JBoss BRMS 6 | tika-core | Will not fix |
| Red Hat JBoss BRMS 5 | tika-core | Will not fix |
| Red Hat JBoss BPMS 6 | tika-core | Will not fix |
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