CVE-2020-7455

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 13-05-2020 06:15

Last modified: - 05-06-2022 05:04

Total changes: - 2

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).

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Local

Attack vector

None

Availability

High

Confidentiality

None

Integrity

Low

Privileges required

Unchanged

Scope

None

User interaction

5.5

Base score

1.8

3.6

Exploitability score

Impact score

Verification logic

vendor=freebsd AND product=freebsd AND version=11.3 AND update=-

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p1

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p3

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p2

vendor=freebsd AND product=freebsd AND version=12.1 AND update=p1

vendor=freebsd AND product=freebsd AND version=12.1 AND update=-

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p4

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p5

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p6

vendor=freebsd AND product=freebsd AND version=12.1 AND update=p2

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p7

vendor=freebsd AND product=freebsd AND version=11.3 AND update=p8

vendor=freebsd AND product=freebsd AND version=11.4 AND update=-

vendor=freebsd AND product=freebsd AND version=11.4 AND update=beta1

vendor=freebsd AND product=freebsd AND version=12.1 AND update=p3

vendor=freebsd AND product=freebsd AND version=12.1 AND update=p4

Reference

Keywords

CVE-2020-7455

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2020-7455

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures