Denial of service in Apache Tika

1) Infinite loop

EUVDB-ID: #VU16676

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-17197

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to an infinite loop when handling malicious input. A remote attacker can supply a carefully crafted or corrupt sqlite file, trigger and an infinite loop in Apache Tika's SQLite3Parser and cause the service to crash.

Mitigation

Update to version 1.20 or later.

Vulnerable software versions

Apache Tika: 1.8 - 1.19.1

CPE2.3

• cpe:2.3:a:apache_foundation:tika:1.8:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.9:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.10:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.11:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.12:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.13:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.14:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.15:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.16:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:tika:1.17:*:*:*:*:*:*:*

External links

https://mail-archives.us.apache.org/mod_mbox/www-announce/201812.mbox/%3CCAC1dCwWhYmbkxAvFKgGSFd_ffp5...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.