#VU36078 Heap-based buffer overflow in podofo and Fedora - CVE-2019-9687

Vulnerability identifier: #VU36078

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-9687

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
podofo
Other software / Other software solutions
Fedora
Operating systems & Components / Operating system

Vendor: podofo.sourceforge.net
Fedoraproject

Description

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

The vulnerability exists due to a boundary error within the PdfString::ConvertUTF16toUTF8 in base/PdfString.cpp. A remote attacker can create a specially crafted file, trick the victim into opening it, 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: 0.9.6

Fedora: 0.9.6 - 29

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External links
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CIC2EXSSMBT3MY2HY42IIY4BUQS2SVYB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NTJ5AAM6Y4NMSELEH7N5ZG4DNO56BCYF/
https://sourceforge.net/p/podofo/code/1969

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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.