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CVE-2020-25583

nvd nist
Published: Mar 29, 2021Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

Description

In FreeBSD 12.2-STABLE before r368250, 11.4-STABLE before r368253, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 when processing a DNSSL option, rtsold(8) decodes domain name labels per an encoding specified in RFC 1035 in which the first octet of each label contains the label's length. rtsold(8) did not validate label lengths correctly and could overflow the destination buffer.

Affected (29)

Products: Freebsd: Freebsd
1 product
Freebsd
Configuration A
29 vulnerable
Vulnerable SoftwareAffected Versions
Freebsd
Version 11.3
Version 11.3 p10
Version 11.3 p11
Version 11.3 p12
Version 11.3 p13
Version 11.3 p1
Version 11.3 p2
Version 11.3 p3
Version 11.3 p4
Version 11.3 p5
Version 11.3 p6
Version 11.3 p7
Version 11.3 p8
Version 11.3 p9
Version 11.4
Version 11.4 p1
Version 11.4 p2
Version 11.4 p3
Version 12.1
Version 12.1 p1
Version 12.1 p2
Version 12.1 p3
Version 12.1 p4
Version 12.1 p5
Version 12.1 p6
Version 12.1 p7
Version 12.1 p8
Version 12.1 p9
Version 12.2

References (4)

Source: secteam@freebsd.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.