Heap-based buffer overflow in CUPS - CVE-2020-3898

 

Heap-based buffer overflow in CUPS - CVE-2020-3898

Published: April 27, 2020 / Updated: April 28, 2020


Vulnerability identifier: #VU27341
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-3898
CWE-ID: CWE-122
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
CUPS

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 when processing files within the ppdFindOption() function in cups. A remote attacker can send specially crafted data to the daemon, 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-2020-3898

Install updates from vendor's website.


Sources