CVSS: 7.5EPSS: 10%CPEs: 6EXPL: 0CVE-2013-3266
https://notcve.org/view.php?id=CVE-2013-3266
The nfsrvd_readdir function in sys/fs/nfsserver/nfs_nfsdport.c in the new NFS server in FreeBSD 8.0 through 9.1-RELEASE-p3 does not verify that a READDIR request is for a directory node, which allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by specifying a plain file instead of a directory. La función nfsrvd_readdir en sys/fs/nfsserver/nfs_nfsdport.c en el nuevo servidor NFS en FreeBSD v8.0 a través de v9.1-RELEASE-p3 no verifica que la solicitud READDIR para un nodo de directorio, lo que permite a atacantes remotos provocar una denegación de servicio (corrupción de memoria) o posiblemente ejecutar código arbitrario mediante la especificación de un archivo sin formato en lugar de un directorio. • http://secunia.com/advisories/53241 http://www.debian.org/security/2013/dsa-2672 http://www.freebsd.org/security/advisories/FreeBSD-SA-13:05.nfsserver.asc http://www.securitytracker.com/id/1028491 • CWE-20: Improper Input Validation •
CVSS: 7.8EPSS: 0%CPEs: 7EXPL: 0CVE-2012-4576
https://notcve.org/view.php?id=CVE-2012-4576
FreeBSD: Input Validation Flaw allows local users to gain elevated privileges FreeBSD: un Fallo de Comprobación de Entrada permite a usuarios locales alcanzar privilegios elevados. • http://archives.neohapsis.com/archives/bugtraq/2012-11/0089.html http://www.securityfocus.com/bid/56654 http://www.securitytracker.com/id?1027809 https://access.redhat.com/security/cve/cve-2012-4576 https://exchange.xforce.ibmcloud.com/vulnerabilities/80321 https://security-tracker.debian.org/tracker/CVE-2012-4576 • CWE-20: Improper Input Validation •
CVSS: 7.9EPSS: 0%CPEs: 20EXPL: 3CVE-2012-0217 – FreeBSD - Intel SYSRET Privilege Escalation
https://notcve.org/view.php?id=CVE-2012-0217
The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix XenServer 6.0.2 and earlier and other products; Oracle Solaris 11 and earlier; illumos before r13724; Joyent SmartOS before 20120614T184600Z; FreeBSD before 9.0-RELEASE-p3; NetBSD 6.0 Beta and earlier; Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1; and possibly other operating systems, when running on an Intel processor, incorrectly uses the sysret path in cases where a certain address is not a canonical address, which allows local users to gain privileges via a crafted application. NOTE: because this issue is due to incorrect use of the Intel specification, it should have been split into separate identifiers; however, there was some value in preserving the original mapping of the multi-codebase coordinated-disclosure effort to a single identifier. El modo de usuario Scheduler en el núcleo en Microsoft Windows Server v2008 R2 y R2 SP1 y Windows v7 Gold y SP1 sobre la plataforma x64 no maneja adecuadamente solicitudes del sistema, lo que permite a usuarios locales obtener privilegios a través de una aplicación modificada, también conocida como "vulnerabilidad de corrupción de memoria de modo de usuario Scheduler". It was found that the Xen hypervisor implementation as shipped with Red Hat Enterprise Linux 5 did not properly restrict the syscall return addresses in the sysret return path to canonical addresses. An unprivileged user in a 64-bit para-virtualized guest, that is running on a 64-bit host that has an Intel CPU, could use this flaw to crash the host or, potentially, escalate their privileges, allowing them to execute arbitrary code at the hypervisor level. • https://www.exploit-db.com/exploits/46508 https://www.exploit-db.com/exploits/28718 https://www.exploit-db.com/exploits/20861 http://blog.illumos.org/2012/06/14/illumos-vulnerability-patched http://blog.xen.org/index.php/2012/06/13/the-intel-sysret-privilege-escalation http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2012-003.txt.asc http://lists.xen.org/archives/html/xen-announce/2012-06/msg00001.html http://lists.xen.org/archives/html/xen-devel/2012-06 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 4.3EPSS: 0%CPEs: 66EXPL: 0CVE-2012-2143 – crypt(): DES encrypted password weakness
https://notcve.org/view.php?id=CVE-2012-2143
The crypt_des (aka DES-based crypt) function in FreeBSD before 9.0-RELEASE-p2, as used in PHP, PostgreSQL, and other products, does not process the complete cleartext password if this password contains a 0x80 character, which makes it easier for context-dependent attackers to obtain access via an authentication attempt with an initial substring of the intended password, as demonstrated by a Unicode password. La función crypt_des (también conocido como crypt basado en DES), en FreeBSD v9.0-RELEASE-p2, tal y como se utiliza en PHP, PostgreSQL y otros productos, no procesa las contraseñas en claro si la contraseña contiene un carácter de 0x80, lo que hace más fácil para los atacantes dependientes del contexto a la hora de obtener acceso a través de un intento de autenticación con una subcadena inicial con la contraseña, tal y como se demuestra con una contraseña Unicode. • http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=aab49e934de1fff046e659cbec46e3d053b41c34 http://git.postgresql.org/gitweb/?p=postgresql.git&a=commit&h=932ded2ed51e8333852e370c7a6dad75d9f236f9 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082258.html http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082292.html http://lists.fedoraproject.org • CWE-310: Cryptographic Issues •
CVSS: 10.0EPSS: 96%CPEs: 21EXPL: 6CVE-2011-4862 – FreeBSD - Telnet Service Encryption Key ID Buffer Overflow
https://notcve.org/view.php?id=CVE-2011-4862
Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011. Desbordamiento de búfer basado en pila en libtelnet/encrypt.c en telnetd en FreeBSD v7.3 hasta v9.0, MIT Kerberos Version v5 Applications (también conocido como krb5-appl) v1.0.2 y anteriores, y Heimdal v1.5.1 y anteriores, permite a atacantes remotos ejecutar código de su elección a través de una clave de cifrado larga, como fue explotado en Diciembre 2011. Detect telnet services vulnerable to the encrypt option Key ID overflow (BSD-derived telnetd). • https://www.exploit-db.com/exploits/18369 https://www.exploit-db.com/exploits/18368 https://www.exploit-db.com/exploits/18280 https://github.com/hdbreaker/GO-CVE-2011-4862 https://github.com/kpawar2410/CVE-2011-4862 http://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2e11b8db9958a315935592 http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html http://lists.fedoraproject.org/p • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •