#VU36100 Buffer overflow in podofo - CVE-2018-20797

Vulnerability identifier: #VU36100

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-2018-20797

CWE-ID: CWE-119

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.

An issue was discovered in PoDoFo 0.9.6. There is an attempted excessive memory allocation in PoDoFo::podofo_calloc in base/PdfMemoryManagement.cpp when called from PoDoFo::PdfPredictorDecoder::PdfPredictorDecoder in base/PdfFiltersPrivate.cpp.

Mitigation
Install update from vendor's website.

Vulnerable software versions

podofo: 0.9.6

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External links
https://sourceforge.net/p/podofo/tickets/34/

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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.