by Kastro
Paper/Archive/CVE-2020-25583

CVE-2020-25583

freebsd — 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 befor…

EPSS 2%CVSS 9.8
critical.is priorityof 100
44
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 74.6.746 × 2014.9No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
FreeBSDFreeBSD 12.2-RELEASE before p1, 12.1-RELEASE before p11, 11.4-RELEASE before p5–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refsecurity.FreeBSD.org/advisories/FreeBSD-SA-20:32.rtsold.ascrefsecurity.netapp.com/advisory/ntap-20210423-0004