CVE-2020-25583

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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
freebsdCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
freebsdfreebsd
11.3
freebsdfreebsd
11.3:p1
freebsdfreebsd
11.3:p10
freebsdfreebsd
11.3:p11
freebsdfreebsd
11.3:p12
freebsdfreebsd
11.3:p13
freebsdfreebsd
11.3:p2
freebsdfreebsd
11.3:p3
freebsdfreebsd
11.3:p4
freebsdfreebsd
11.3:p5
freebsdfreebsd
11.3:p6
freebsdfreebsd
11.3:p7
freebsdfreebsd
11.3:p8
freebsdfreebsd
11.3:p9
freebsdfreebsd
11.4
freebsdfreebsd
11.4:p1
freebsdfreebsd
11.4:p2
freebsdfreebsd
11.4:p3
freebsdfreebsd
12.1
freebsdfreebsd
12.1:p1
freebsdfreebsd
12.1:p2
freebsdfreebsd
12.1:p3
freebsdfreebsd
12.1:p4
freebsdfreebsd
12.1:p5
freebsdfreebsd
12.1:p6
freebsdfreebsd
12.1:p7
freebsdfreebsd
12.1:p8
freebsdfreebsd
12.1:p9
freebsdfreebsd
12.2
𝑥
= Vulnerable software versions