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CVSS: 5.0EPSS: 4%CPEs: 9EXPL: 0

OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting. • ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:09.openssh.asc http://bugzilla.mindrot.org/show_bug.cgi?id=839 http://securityreason.com/securityalert/520 http://securitytracker.com/id?1015706 http://www.osvdb.org/23797 http://www.securityfocus.com/bid/16892 http://www.vupen.com/english/advisories/2006/0805 https://exchange.xforce.ibmcloud.com/vulnerabilities/25116 • CWE-399: Resource Management Errors •

CVSS: 7.8EPSS: 96%CPEs: 1EXPL: 1

nfsd in FreeBSD 6.0 kernel allows remote attackers to cause a denial of service via a crafted NFS mount request, as demonstrated by the ProtoVer NFS test suite. • https://www.exploit-db.com/exploits/1540 ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:10.nfs.asc http://lists.immunitysec.com/pipermail/dailydave/2006-February/002982.html http://secunia.com/advisories/19017 http://securityreason.com/securityalert/521 http://www.osvdb.org/23511 http://www.securityfocus.com/bid/16838 https://exchange.xforce.ibmcloud.com/vulnerabilities/24918 •

CVSS: 5.0EPSS: 6%CPEs: 2EXPL: 0

Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop). • ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:08.sack.asc http://secunia.com/advisories/18696 http://securityreason.com/securityalert/399 http://securitytracker.com/id?1015566 http://www.osvdb.org/22861 http://www.securityfocus.com/bid/16466 http://www.vupen.com/english/advisories/2006/0409 https://exchange.xforce.ibmcloud.com/vulnerabilities/24453 •

CVSS: 2.1EPSS: 0%CPEs: 2EXPL: 0

FreeBSD kernel 5.4-STABLE and 6.0 does not completely initialize a buffer before making it available to userland, which could allow local users to read portions of kernel memory. • ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:06.kmem.asc http://secunia.com/advisories/18599 http://securitytracker.com/id?1015541 http://www.osvdb.org/22730 http://www.securityfocus.com/bid/16373 https://exchange.xforce.ibmcloud.com/vulnerabilities/24338 •

CVSS: 2.1EPSS: 0%CPEs: 2EXPL: 0

A logic error in FreeBSD kernel 5.4-STABLE and 6.0 causes the kernel to calculate an incorrect buffer length, which causes more data to be copied to userland than intended, which could allow local users to read portions of kernel memory. • ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:06.kmem.asc http://secunia.com/advisories/18599 http://securitytracker.com/id?1015541 http://www.osvdb.org/22731 http://www.securityfocus.com/bid/16373 https://exchange.xforce.ibmcloud.com/vulnerabilities/24340 •