#VU39155 NULL pointer dereference in podofo - CVE-2017-7994

Vulnerability identifier: #VU39155

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-7994

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
podofo
Other software / Other software solutions

Vendor: podofo.sourceforge.net

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted PDF document.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

podofo: 0.9.5

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External links
https://www.securityfocus.com/bid/97980
https://github.com/icepng/PoC/tree/master/PoC1
https://icepng.github.io/2017/04/21/PoDoFo-1/

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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.