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CVSS: 4.4EPSS: 0%CPEs: 33EXPL: 0

transports/appendfile.c in Exim before 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or create arbitrary files, and cause a denial of service or possibly gain privileges, via a symlink attack on a lockfile in /tmp/. transports/appendfile.c en Exim anterior a v4.72, cuando el bloqueo MBX está habilitado, permite a usuarios locales cambiar permisos de archivos o crear archivos de su elección, y provocar una denegación de servicio o posiblemente obtener privilegios, a través de un ataque de enlace simbólico en un fichero bloqueado en /tmp/. • http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html http://bugs.exim.org/show_bug.cgi?id=989 http://lists.exim.org/lurker/message/20100524.175925.9a69f755.en.html http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042587.html http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042613.html http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html http://secunia.com/advisories/40019 http://secunia.com/advisories/40123 http:/ • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 4.4EPSS: 0%CPEs: 33EXPL: 0

transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file. transports/appendfile.c en Exim antes de v4.72, cuando se usa un directorio de correo con permisos de escritura para todos y sticky-bit activado, no verifica el campo de st_nlink de los ficheros de buzón de correo, que permite a usuarios locales causar una denegación de servicio o posiblemente obtener privilegios mediante la creación de un vínculo físico a un archivo de otro usuario. • http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html http://bugs.exim.org/show_bug.cgi?id=988 http://lists.exim.org/lurker/message/20100524.175925.9a69f755.en.html http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042587.html http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042613.html http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html http://secunia.com/advisories/40019 http://secunia.com/advisories/40123 http:/ • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 7.2EPSS: 0%CPEs: 3EXPL: 3

Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function. • https://www.exploit-db.com/exploits/1009 https://www.exploit-db.com/exploits/756 http://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44 http://security.gentoo.org/glsa/glsa-200501-23.xml http://www.debian.org/security/2005/dsa-635 http://www.debian.org/security/2005/dsa-637 http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html http://www.idefense.com/application/poi/display?id=179&type=vulnerabilities http://www.idefense.com •

CVSS: 4.6EPSS: 0%CPEs: 3EXPL: 0

Buffer overflow in the spa_base64_to_bits function in Exim before 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow attackers to execute arbitrary code during SPA authentication. • http://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44 http://marc.info/?l=bugtraq&m=110824870908614&w=2 http://security.gentoo.org/glsa/glsa-200501-23.xml http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html http://www.idefense.com/application/poi/display?id=178&type=vulnerabilities http://www.redhat.com/support/errata/RHSA-2005-025.html http://www.securityfocus.com/bid/12188 https://oval.cisecurity.org/repository/search/definition/oval •

CVSS: 7.5EPSS: 42%CPEs: 2EXPL: 2

Stack-based buffer overflow in Exim 3.35, and other versions before 4, when the sender_verify option is true, allows remote attackers to cause a denial of service and possibly execute arbitrary code during sender verification. Desbordamiento de búfer basado en la plia en Exim 3.35, y otras versiones anteriores a 4, cuando la opción sender_verify está activada, permite a atacantes remotos causar una denegación de servicio y posiblemente ejecutar código arbitrario durante la verificación del remitente. • https://www.exploit-db.com/exploits/24093 http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021015.html http://secunia.com/advisories/11558 http://www.debian.org/security/2004/dsa-501 http://www.debian.org/security/2004/dsa-502 http://www.guninski.com/exim1.html https://exchange.xforce.ibmcloud.com/vulnerabilities/16079 •