Medium severity · published May 13, 2020
CVE-2020-7455
In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p5, 11.4-STABLE before r360973, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, the FTP packet handler in libalias…
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
In FreeBSD 12.1-STABLE before r360973, 12.1-RELEASE before p5, 11.4-STABLE before r360973, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, the FTP packet handler in libalias incorrectly calculates some packet length allowing disclosure of small amounts of kernel (for kernel NAT) or natd process space (for userspace natd).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% 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; +10 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7455
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7455
Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200518-0005/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-661/
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