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CVSS: 10.0EPSS: 0%CPEs: 63EXPL: 0

The sendfile system call in FreeBSD 4.8 through 4.11 and 5 through 5.4 can transfer portions of kernel memory if a file is truncated while it is being sent, which could allow remote attackers to obtain sensitive information. • https://www.freebsd.org/security/advisories/FreeBSD-SA-05:02.sendfile.asc •

CVSS: 5.6EPSS: 0%CPEs: 121EXPL: 0

Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows local users to use a malicious thread to create covert channels, monitor the execution of other threads, and obtain sensitive information such as cryptographic keys, via a timing attack on memory cache misses. • ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.24/SCOSA-2005.24.txt http://marc.info/?l=freebsd-hackers&m=110994026421858&w=2 http://marc.info/?l=freebsd-security&m=110994370429609&w=2 http://marc.info/?l=openbsd-misc&m=110995101417256&w=2 http://secunia.com/advisories/15348 http://secunia.com/advisories/18165 http://securitytracker.com/id?1013967 http://sunsolve.sun.com/search/document.do? •

CVSS: 10.0EPSS: 0%CPEs: 87EXPL: 3

Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function. • https://www.exploit-db.com/exploits/21018 ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.asc ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.asc ftp://patches.sgi.com/support/free/security/advisories/20010801-01-P ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txt http://archives.neohapsis.com/archives/hp/2001-q4/0014.html http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000413 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •

CVSS: 5.0EPSS: 14%CPEs: 33EXPL: 1

ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service. • https://www.exploit-db.com/exploits/19117 https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0513 •

CVSS: 7.5EPSS: 1%CPEs: 32EXPL: 0

FTP servers can allow an attacker to connect to arbitrary ports on machines other than the FTP client, aka FTP bounce. • https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0017 •