CVE-2020-7457
In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 33.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 33.11% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362, CWE-416, CWE-662
- Affected
- freebsd/freebsd
- Source
- secteam@freebsd.org
References
- http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.ascPatch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200724-0002/Third Party Advisory
- http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.ascPatch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200724-0002/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.