CVE-2020-8597

Description

eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 62.86% Top 5%
Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/paulusmack/ppp/commit/8d7970b8f3db727fe798b65f3377fe6787575426 third party advisory patch
https://lists.debian.org/debian-lts-announce/2020/02/msg00005.html third party advisory mailing list
https://www.debian.org/security/2020/dsa-4632 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0631 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0634 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0633 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2020:0630 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00006.html mailing list third party advisory vendor advisory
https://usn.ubuntu.com/4288-1/ third party advisory vendor advisory
https://www.kb.cert.org/vuls/id/782301 third party advisory us government resource
http://seclists.org/fulldisclosure/2020/Mar/6 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UNJNHWOO4XF73M2W56ILZUY4JQG3JXIR/ vendor advisory
http://packetstormsecurity.com/files/156662/pppd-2.4.8-Buffer-Overflow.html vdb entry third party advisory
https://www.synology.com/security/advisory/Synology_SA_20_02 third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOFDAIOWSWPG732ASYUZNINMXDHY4APE/ vendor advisory
https://security.netapp.com/advisory/ntap-20200313-0004/ third party advisory
https://security.gentoo.org/glsa/202003-19 third party advisory vendor advisory
https://usn.ubuntu.com/4288-2/ third party advisory vendor advisory
http://packetstormsecurity.com/files/156802/pppd-2.4.8-Buffer-Overflow.html vdb entry third party advisory
https://kb.netgear.com/000061806/Security-Advisory-for-Unauthenticated-Remote-Buffer-Overflow-Attack-in-PPPD-on-WAC510-PSV-2020-0136 third party advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-809841.pdf third party advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-224-04 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2020-8597?
CVE-2020-8597 has been scored as a critical severity vulnerability.
How to fix CVE-2020-8597?
To fix CVE-2020-8597, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8597 being actively exploited in the wild?
It is possible that CVE-2020-8597 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~63% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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