Buffer overflow in PPP - CVE-2020-8597
Published: February 4, 2020 / Updated: January 25, 2021
Vulnerability identifier: #VU24916
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:P/U:Amber
CVE-ID: CVE-2020-8597
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Paul Mackerras
Affected software:
PPP
PPP
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 in the "eap_request" and "eap_response" functions in "eap.c" file in pppd. A remote attacker can trigger memory corruption 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-2020-8597
Install update from vendor's website.