CVE-2018-15311 — F5 Big-ip Global Traffic Manager vulnerability

4 documents4 sources
Severity
5.9MEDIUMNVD
EPSS
3.5%
top 12.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
13
F5 Big-ip Access Policy ManagerF5 Big-ip Advanced Firewall ManagerF5 Big-ip Analytics+10 more
Timeline
PublishedOct 10
Latest updateMay 13

Description

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload (LRO) feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected customers will be on 13.1.x. LRO has been available since 11.4.0 but is not enabled by default until 13.1.0.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages13 packages

▶NVDf5/big-ip_local_traffic_manager11.5.1 — 11.5.6+3
▶NVDf5/big-ip_global_traffic_manager11.5.1 — 11.5.6+3
▶NVDf5/big-ip_analytics11.5.1 — 11.5.6+3
▶NVDf5/big-ip_edge_gateway11.5.1 — 11.5.6+3
▶NVDf5/big-ip_webaccelerator11.5.1 — 11.5.6+3

🔴Vulnerability Details

2
GHSA
GHSA-8m2w-3h87-fqw3: When F5 BIG-IP 13↗2022-05-13
▶
CVEList
CVE-2018-15311: When F5 BIG-IP 13↗2018-10-10
▶

📋Vendor Advisories

1
F5
CVE-2018-15311: When F5 BIG-IP 13↗2018-10-10
▶
CVE-2018-15311 — F5 vulnerability | cvebase