CVE-2020-8597
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
96.4%
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.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| point-to-point_protocol_project | point-to-point_protocol | * | cpe:2.3:a:point-to-point_protocol_project:point-to-point_protocol:*:*:*:*:*:*:*:* |
| wago | pfc_firmware | * | cpe:2.3:o:wago:pfc_firmware:*:*:*:*:*:*:*:* |
| wago | pfc100 | - | cpe:2.3:h:wago:pfc100:-:*:*:*:*:*:*:* |
| wago | pfc200 | - | cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
References
lists.opensuse.org/opensuse-security-announce/2020-03/msg00006.html
packetstormsecurity.com/files/156662/pppd-2.4.8-Buffer-Overflow.html
packetstormsecurity.com/files/156802/pppd-2.4.8-Buffer-Overflow.html
seclists.org/fulldisclosure/2020/Mar/6
access.redhat.com/errata/RHSA-2020:0630
access.redhat.com/errata/RHSA-2020:0631
access.redhat.com/errata/RHSA-2020:0633
access.redhat.com/errata/RHSA-2020:0634
cert-portal.siemens.com/productcert/pdf/ssa-809841.pdf
github.com/paulusmack/ppp/commit/8d7970b8f3db727fe798b65f3377fe6787575426
kb.netgear.com/000061806/Security-Advisory-for-Unauthenticated-Remote-Buffer-Overflow-Attack-in-PPPD-on-WAC510-PSV-2020-0136
lists.debian.org/debian-lts-announce/2020/02/msg00005.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UNJNHWOO4XF73M2W56ILZUY4JQG3JXIR/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOFDAIOWSWPG732ASYUZNINMXDHY4APE/
security.gentoo.org/glsa/202003-19
security.netapp.com/advisory/ntap-20200313-0004/
us-cert.cisa.gov/ics/advisories/icsa-20-224-04
usn.ubuntu.com/4288-1/
usn.ubuntu.com/4288-2/
www.debian.org/security/2020/dsa-4632
www.kb.cert.org/vuls/id/782301
www.synology.com/security/advisory/Synology_SA_20_02
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
96.4%