Vulnerability identifier: #VU39465

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6840

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
podofo
Other software / Other software solutions

Vendor: podofo.sourceforge.net

Description

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

The ColorChanger::GetColorFromStack function in colorchanger.cpp in PoDoFo 0.9.5 allows remote attackers to cause a denial of service (invalid read) via a crafted file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

podofo: 0.9.5

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External links
http://blogs.gentoo.org/ago/2017/03/02/podofo-invalid-memory-read-in-colorchangergetcolorfromstack-colorchanger-cpp/

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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.