SB2021011524 - NULL pointer dereference in podofo (Alpine package)



SB2021011524 - NULL pointer dereference in podofo (Alpine package)

Published: January 15, 2021

Security Bulletin ID SB2021011524
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2018-5308)

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.


Remediation

Install update from vendor's website.