Vulnerability identifier: #VU33545

Vulnerability risk: Medium

CVSSv3.1: 7.1 [AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-6843

CWE-ID: CWE-122

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
podofo
Other software / Other software solutions

Vendor: podofo.sourceforge.net

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.4. A remote attacker can use a crafted file. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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

Vulnerable software versions

podofo: 0.9.4

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External links
http://blogs.gentoo.org/ago/2017/03/02/podofo-heap-based-buffer-overflow-in-podofopdfvariantdelayedload-pdfvariant-h/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.