VulnerabilityModified
CVE-2018-6916
Additionally, a use-after-free vulnerability exists in the IPsec AH handling code.
CRITICAL 9.8EPSS 2.09%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In FreeBSD before 11.1-STABLE, 11.1-RELEASE-p7, 10.4-STABLE, 10.4-RELEASE-p7, and 10.3-RELEASE-p28, the kernel does not properly validate IPsec packets coming from a trusted host. Additionally, a use-after-free vulnerability exists in the IPsec AH handling code. This issue could cause a system crash or other unpredictable results.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.09% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- freebsd/freebsd
- Source
- secteam@freebsd.org
References
- http://www.securitytracker.com/id/1040460Third Party Advisory, VDB Entry
- https://www.freebsd.org/security/advisories/FreeBSD-SA-18:01.ipsec.ascPatch, Vendor Advisory
- http://www.securitytracker.com/id/1040460Third Party Advisory, VDB Entry
- https://www.freebsd.org/security/advisories/FreeBSD-SA-18:01.ipsec.ascPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.