CVEvulnerability
CVE-2020-7460
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-08-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.4 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-367
Description
In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p8, 11.4-STABLE before r363919, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, the sendmsg system call in the compat32 subsystem on 64-bit platforms has a time-of-check to time-of-use vulnerability allowing a mailcious userspace program to modify control message headers after they were validation.
Affected configurations
• freebsd freebsd 11.3
• freebsd freebsd 11.4
• freebsd freebsd 12.1
Related
Weakness · CWE (1)
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.asc Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200821-0005/ Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-949/ Third Party Advisory, VDB Entry
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.asc Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200821-0005/ Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-949/ Third Party Advisory, VDB Entry