Heap-based buffer overflow in podofo and Fedora - CVE-2019-9687
Published: March 11, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU36078
CSH Severity: High
CVSS v4.0: 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: Remote access
Exploit availability:
No public exploit available
Vendor: podofo.sourceforge.net
Fedoraproject
Fedoraproject
Affected software:
podofo
Fedora
podofo
Fedora
Detailed vulnerability 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.
How to mitigate CVE-2019-9687
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- 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