NULL pointer dereference in podofo - CVE-2018-5308
Published: January 9, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU37695
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-5308
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
PoDoFo 0.9.5 does not properly validate memcpy arguments in the PdfMemoryOutputStream::Write function (base/PdfOutputStream.cpp). Remote attackers could leverage this vulnerability to cause a denial-of-service or possibly unspecified other impact via a crafted pdf file.
Affected software
podofo
podofo (Alpine package)
mingw-podofo
Fedora
Opensuse
podofo (Alpine package)
mingw-podofo
Fedora
Opensuse
How to mitigate CVE-2018-5308
Install update from vendor's website.
podofo (Alpine package) - update to 0.9.7-r0
mingw-podofo - addressed in versions 0.9.5-6.fc27, 0.9.5-6.fc28
mingw-podofo - addressed in versions 0.9.5-6.fc27, 0.9.5-6.fc28