Description
It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of service of the ftpd service.
References (3)
Core 3
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=144761
Exploit, Mailing List, Third Party Advisory x_refsource_misc
https://seclists.org/fulldisclosure/2010/Mar/117
Mailing List, Third Party Advisory x_refsource_misc
https://seclists.org/oss-sec/2011/q3/284
Scores
CVSS v3
7.5
EPSS
0.0118
EPSS Percentile
79.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (4)
openbsd/openbsd
4.6
openbsd/openbsd
4.9
openbsd/openbsd
6.3
openbsd/openbsd
8.0
Published
Jun 22, 2021
Tracked Since
Feb 18, 2026