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CVE-2020-25577

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 rtsold(8) does not verify that the RDNSS option does not extend past the end of the received packet before processing its contents. While the kernel currently ignores such malformed packets, it passes them to userspace programs. Any programs expecting the kernel to do validation may be vulnerable to an overflow.

Data is provided by the National Vulnerability Database (NVD)
Freebsd ≫ Freebsd Version11.4 Update-
Freebsd ≫ Freebsd Version11.4 Updatep1
Freebsd ≫ Freebsd Version11.4 Updatep2
Freebsd ≫ Freebsd Version11.4 Updatep3
Freebsd ≫ Freebsd Version12.1 Update-
Freebsd ≫ Freebsd Version12.1 Updatep1
Freebsd ≫ Freebsd Version12.1 Updatep2
Freebsd ≫ Freebsd Version12.1 Updatep3
Freebsd ≫ Freebsd Version12.1 Updatep4
Freebsd ≫ Freebsd Version12.1 Updatep5
Freebsd ≫ Freebsd Version12.1 Updatep6
Freebsd ≫ Freebsd Version12.1 Updatep7
Freebsd ≫ Freebsd Version12.1 Updatep8
Freebsd ≫ Freebsd Version12.1 Updatep9
Freebsd ≫ Freebsd Version12.2 Update-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.58% 0.665
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 10 10 10
AV:N/AC:L/Au:N/C:C/I:C/A:C
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.