CVEvulnerability
CVE-2020-7457
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-07-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-362, CWE-416, CWE-662
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.
Affected configurations
• freebsd freebsd 11.3
• freebsd freebsd 11.4
• freebsd freebsd 12.1
Related
References
- http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc Patch, 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.html Exploit, Third Party Advisory, VDB Entry
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200724-0002/ Third Party Advisory