Security Information / 2020 / Security Information -- DSA-4632-1 ppp

Debian Security Advisory

DSA-4632-1 ppp -- security update

Date Reported:

22 Feb 2020

Affected Packages:

ppp

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 950618.
In Mitre's CVE dictionary: CVE-2020-8597.

More information:

Ilja Van Sprundel reported a logic flaw in the Extensible Authentication Protocol (EAP) packet parser in the Point-to-Point Protocol Daemon (pppd). An unauthenticated attacker can take advantage of this flaw to trigger a stack-based buffer overflow, leading to denial of service (pppd daemon crash).

For the oldstable distribution (stretch), this problem has been fixed in version 2.4.7-1+4+deb9u1.

For the stable distribution (buster), this problem has been fixed in version 2.4.7-2+4.1+deb10u1.

We recommend that you upgrade your ppp packages.

For the detailed security status of ppp please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ppp