CVE-2023-40534 — Missing Release of Memory after Effective Lifetime in F5 Big-ip Access Policy Manager

CWE-401 — Missing Release of Memory after Effective Lifetime4 documents4 sources

Severity

7.5HIGHNVD

EPSS

0.6%

top 31.33%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

F5 Big-ip F5 Big-ip Next SPK F5 Big-ip Access Policy Manager +19 more

Timeline

PublishedOct 10

Description

When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, and an iRule using the HTTP_REQUEST event or Local Traffic Policy are associated with the virtual server, undisclosed requests can cause TMM to terminate. 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 Packages22 packages

▶NVDf5/big-ip_local_traffic_manager16.1.0 — 16.1.4.1+1

▶NVDf5/big-ip_access_policy_manager16.1.0 — 16.1.4.1+1

▶NVDf5/big-ip_global_traffic_manager16.1.0 — 16.1.4.1+1

▶NVDf5/big-ip_policy_enforcement_manager16.1.0 — 16.1.4.1+1

▶CVEListV5f5/big-ip17.1.0 — 17.1.0.3.0.23.4-ENG+1

🔴Vulnerability Details

GHSA

GHSA-w99g-74qg-jcgf: When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, and an iRule using the HTTP_REQUEST event or Local↗2023-10-10

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CVEList

BIG-IP HTTP/2 vulnerability↗2023-10-10

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📋Vendor Advisories

CVE-2023-40534: When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, and an iRule using...↗2023-10-10

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