CVE-2020-8597

A buffer overflow flaw was found in the ppp package in versions 2.4.2 through 2.4.8. The bounds check for the rhostname was improperly constructed in the EAP request and response functions which could allow a buffer overflow to occur. Data confidentiality and integrity, as well as system availability, are all at risk with this vulnerability.

The ppp packages distributed with Red Hat Enterprise Linux versions are compiled using gcc's stack-protector feature. The "Stack Smashing Protection" may help mitigate code execution attacks for this flaw and limit its impact to crash only.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Red Hat is working on providing updates packages which patches this flaw. This flaw can only be mitigated by updating to these package versions. The "Stack Smashing Protection" may help mitigate code execution attacks for this flaw and limit its impact to crash only.