Security readout for executives and security teams
This issue can cause F5 BIG-IP traffic processing to restart under a narrow DNS configuration. The affected device must run BIG-IP 13.1.0 through 13.1.0.3 with ASM and AVR provisioned, and a DNS TCP virtual server profile. The main business risk is service disruption, not data theft. Exposure is likely limited to F5 BIG-IP deployments on versions 13.1.0 to 13.1.0.3 using ASM, AVR, and DNS-over-TCP virtual servers. Organizations without that exact feature and profile combination are not indicated as affected by the supplied sources. Treat this as a focused availability issue. It deserves prompt validation if BIG-IP handles DNS traffic, especially at the perimeter. Escalate remediation only for systems matching all affected conditions, because the supplied evidence describes a narrow configuration and does not show active exploitation. Mitigation focus: Inventory BIG-IP systems running versions 13.1.0 through 13.1.0.3.; Identify devices with both ASM and AVR provisioned.; Review DNS virtual servers with Protocol set to TCP..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2018-5505 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.f5.com/csp/article/K23520761CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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