#VU39465 Out-of-bounds read in podofo - CVE-2017-6840

Vulnerability identifier: #VU39465

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-2017-6840

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
https://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.