Cisco IOS and IOS XE
En bref
- Source
- NVD
- EPSS
- EPSS 7.61 % · centile 95 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- cisco
- Statut NVD
- Analyzed
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Description
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software performs incomplete input validation of option 82 information that it receives in DHCP Version 4 (DHCPv4) packets from DHCP relay agents. An attacker could exploit this vulnerability by sending a crafted DHCPv4 packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuh91645.
Faiblesses (CWE)
- CWE-20 — Validation d'entrée incorrecte
Références
- http://www.securityfocus.com/bid/103554
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
- https://www.tenable.com/security/research/tra-2018-06
- http://www.securitytracker.com/id/1040591
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dhcpr3
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0174
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | HIGH 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 2.0 | HIGH 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2018-0997
- GCVE · GCVE-0-2018-0174
Avis du CERT-FR
- CERTFR-2018-AVI-156 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:cisco:ios:12.2\(33\)sre7a:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios_xe:12.2\(33\)sre7a:*:*:*:*:*:*:*cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*≤ 15.2\(4a\)ea5cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*≤ 15.2\(4a\)ea5cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*≤ 15.2\(6\)e0acpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*≤ 15.2\(6\)e0a
Produits affectés
| Produit | Versions |
|---|---|
| Cisco IOS and IOS XE | affected Cisco IOS and IOS XE |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| CISA Known Exploited Vulnerabilities | CC0 1.0 |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |