CVE-2020-7455

medium

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).

References

https://www.zerodayinitiative.com/advisories/ZDI-20-661/

https://security.netapp.com/advisory/ntap-20200518-0005/

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:13.libalias.asc

Details

Source: Mitre, NVD

Published: 2020-05-13

Updated: 2022-06-05

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium