CVE-2024-21771 — Allocation of Resources Without Limits or Throttling in F5 Big-ip

CWE-770 — Allocation of Resources Without Limits or Throttling4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 49.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
F5 Big-ipF5 Big-ip Advanced Firewall Manager
Timeline
PublishedFeb 14

Description

For unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic against signatures, resulting in Traffic Management Microkernel (TMM) restarting and traffic disruption. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5f5/big-ip17.1.0 — 17.1.1+2
▶NVDf5/big-ip_advanced_firewall_manager15.1.0 — 15.1.9+2

🔴Vulnerability Details

2
CVEList
F5 AFM Signature Matching Vulnerability↗2024-02-14
▶
GHSA
GHSA-8gwr-pghr-44v9: For unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic against signatures, resulting in Tr↗2024-02-14
▶

📋Vendor Advisories

1
F5
CVE-2024-21771: For unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic ag...↗2024-02-14
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CVE-2024-21771 — F5 Big-ip vulnerability | cvebase