Heap-based buffer overflow in HTMLDOC - CVE-2021-23165
Published: June 10, 2021
Vulnerability identifier: #VU54035
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-23165
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
HTMLDOC
HTMLDOC
Software vendor:
Michael R Sweet
Michael R Sweet
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the pspdf_prepare_outpages() function in ps-pdf.cxx. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and crash the library.
Remediation
Install updates from vendor's website.