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CVE-2020-8597 (GCVE-0-2020-8597)

Vulnerability from cvelistv5 – Published: 2020-02-03 22:58 – Updated: 2025-12-03 15:15
VLAI
Summary
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-03 15:15 UTC
CWE
  • n/a
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
URL Tags
https://github.com/paulusmack/ppp/commit/8d7970b8… x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020… mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4632 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2020:0631 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0634 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0633 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0630 vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4288-1/ vendor-advisoryx_refsource_UBUNTU
https://www.kb.cert.org/vuls/id/782301 third-party-advisoryx_refsource_CERT-VN
http://seclists.org/fulldisclosure/2020/Mar/6 mailing-listx_refsource_FULLDISC
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
http://packetstormsecurity.com/files/156662/pppd-… x_refsource_MISC
https://www.synology.com/security/advisory/Synolo… x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://security.netapp.com/advisory/ntap-2020031… x_refsource_CONFIRM
https://security.gentoo.org/glsa/202003-19 vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4288-2/ vendor-advisoryx_refsource_UBUNTU
http://packetstormsecurity.com/files/156802/pppd-… x_refsource_MISC
https://kb.netgear.com/000061806/Security-Advisor… x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/s… x_refsource_MISC
https://us-cert.cisa.gov/ics/advisories/icsa-20-224-04 x_refsource_MISC
Show details on NVD website
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}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.