CVE-2020-7455

MEDIUM

Freebsd - Resource Leak

Title source: rule

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 (3)

[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, VDB Entry] https://www.zerodayinitiative.com/advisories/ZDI-20-661/

Scores

CVSS v3 5.5

EPSS 0.0010

EPSS Percentile 26.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-772

Status published

Affected Products (16)

freebsd/freebsd

... and 1 more

Timeline

Published May 13, 2020

Tracked Since Feb 18, 2026