#VU15176 Infinite loop in PDFBox - CVE-2018-11797

Vulnerability identifier: #VU15176

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-11797

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PDFBox
Universal components / Libraries / Libraries used by multiple products

Vendor: Apache Foundation

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

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External links
https://pdfbox.apache.org/

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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.