Denial of service in Apache PDFBox

1) Infinite loop

EUVDB-ID: #VU15176

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11797

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

Exploit availability: No

Description

The vulnerability vulnerability allows an unauthenticated, remote attacker to cause a denial of service (DoS) condition on a target system.

The vulnerability exists in the Apache PDFBox parser due to improper processing of PDF files when parsing the page tree. A remote attacker can trick the victim into opening a PDF file that submits malicious input to the targeted system, trigger an infinite loop condition, which could lead to an out-of-memory exception and result in a DoS condition.

Mitigation

The vulnerability has been fixed in the versions 1.8.16 and 2.0.12.

Vulnerable software versions

PDFBox: 1.8.0 - 2.0.11

External links

http://pdfbox.apache.org/

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.