CVE-2018-0272
mediumPriorität · verfolgen · 24EPSS 0.013 · 70. PerzentilEUUSEPSS · bewertet 2026-10-28
A vulnerability in the Secure Sockets Layer (SSL) Engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper error handling while processing SSL traffic. An attacker could exploit this vulnerability by sending a large volume of crafted SSL traffic to the vulnerable device. A successful exploit could allow the attacker to degrade the device performance by triggering a persistent high CPU utilization condition. Cisco Bug IDs: CSCvh89340.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenCisco Secure Firewall Threat Defense (FTD) Softwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - WorkaroundCisco Secure Firewall Threat Defense (FTD) Softwarecisco_csaf
Administrators may employ one of the following workarounds: Disable URL Cloud lookups (System > Integration > Query Cisco CSI for Unknown URLs) and ensure that there is no Malware Policy with a Malware Block rule Disable SSL policy and ensure that Identity Policy does not have an active authentication rule
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (4)
Betroffene Produkte und Versionsbereiche.
Advisories (1)
Hersteller- und Ökosystem-Meldungen dazu.
- cisco-sa-20180418-firepowerCisco Firepower Threat Defense SSL Engine High CPU Denial of Service Vulnerability2018-04-18csaf · cisco_csafUS
A vulnerability in the Secure Sockets Layer (SSL) Engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper error handling while processing SSL traffic. An attacker could exploit this vulnerability by sending a large volume of crafted SSL traffic to the vulnerable device. A successful exploit could allow the attacker to degrade the device performance by triggering a persistent high CPU utilization condition.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (7)
Externe Belege — Patches, Meldungen, Analysen.
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh89340Patchcnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-firepowercnnvd
- https://www.securityfocus.com/bid/103925cnnvd
- http://www.securityfocus.com/bid/103925enisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-firepowerenisa_euvd
- http://www.securityfocus.com/bid/103925Third Party AdvisoryVDB Entrynvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-firepowerMitigationVendor Advisorynvd
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