High severity · published Aug 6, 2020
CVE-2020-7460
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…
7.0
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
11.3; 11.3; 11.3; 11.3; 11.3; 11.3; +15 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7460
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7460
Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.asc
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200821-0005/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-949/
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