#VU12630 Resource exhaustion in QPDF - CVE-2017-9210

Vulnerability identifier: #VU12630

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-9210

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QPDF
Client/Desktop applications / File managers, FTP clients

Vendor: SourceForge

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

The weakness exists in unparse functions due to infinite loop. A remote attacker can trick the victim into opening a specially crafted PDF document, trigger stack consumption and cause the service to crash, aka qpdf-infiniteloop3.

Mitigation
Install update from vendor's website.

Vulnerable software versions

QPDF: 6.0.0

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External links
https://blogs.gentoo.org/ago/2017/05/21/qpdf-three-infinite-loop-in-libqpdf/

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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.