ID de Prueba:	1.3.6.1.4.1.25623.1.0.120102
Categoría:	Amazon Linux Local Security Checks
Título:	Amazon Linux: Security Advisory (ALAS-2014-462)
Resumen:	The remote host is missing an update for the 'ntp' package(s) announced via the ALAS-2014-462 advisory.
Descripción:	Summary: The remote host is missing an update for the 'ntp' package(s) announced via the ALAS-2014-462 advisory. Vulnerability Insight: It was found that ntpd automatically generated weak keys for its internal use if no ntpdc request authentication key was specified in the ntp.conf configuration file. A remote attacker able to match the configured IP restrictions could guess the generated key, and possibly use it to send ntpdc query or configuration requests. (CVE-2014-9293) It was found that ntp-keygen used a weak method for generating MD5 keys. This could possibly allow an attacker to guess generated MD5 keys that could then be used to spoof an NTP client or server. Note: it is recommended to regenerate any MD5 keys that had explicitly been generated with ntp-keygen, the default installation does not contain such keys). (CVE-2014-9294) Multiple buffer overflow flaws were discovered in ntpd's crypto_recv(), ctl_putdata(), and configure() functions. A remote attacker could use either of these flaws to send a specially crafted request packet that could crash ntpd or, potentially, execute arbitrary code with the privileges of the ntp user. Note: the crypto_recv() flaw requires non default configurations to be active, while the ctl_putdata() flaw, by default, can only be exploited via local attackers, and the configure() flaw requires additional authentication to exploit. (CVE-2014-9295) A missing return statement in the receive() function could potentially allow a remote attacker to bypass NTP's authentication mechanism. (CVE-2014-9296) Affected Software/OS: 'ntp' package(s) on Amazon Linux. Solution: Please install the updated package(s). CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Referencia Cruzada:	Common Vulnerability Exposure (CVE) ID: CVE-2014-9293 BugTraq ID: 71757 http://www.securityfocus.com/bid/71757 CERT/CC vulnerability note: VU#852879 http://www.kb.cert.org/vuls/id/852879 Cisco Security Advisory: 20141222 Multiple Vulnerabilities in ntpd Affecting Cisco Products https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20141222-ntpd HPdes Security Advisory: HPSBGN03277 http://marc.info/?l=bugtraq&m=142590659431171&w=2 HPdes Security Advisory: HPSBOV03505 http://marc.info/?l=bugtraq&m=144182594518755&w=2 HPdes Security Advisory: HPSBPV03266 http://marc.info/?l=bugtraq&m=142469153211996&w=2 HPdes Security Advisory: HPSBUX03240 http://marc.info/?l=bugtraq&m=142853370924302&w=2 HPdes Security Advisory: SSRT101872 http://www.mandriva.com/security/advisories?name=MDVSA-2015:003 https://www.arista.com/en/support/advisories-notices/security-advisories/1047-security-advisory-8 RedHat Security Advisories: RHSA-2014:2025 http://rhn.redhat.com/errata/RHSA-2014-2025.html RedHat Security Advisories: RHSA-2015:0104 http://rhn.redhat.com/errata/RHSA-2015-0104.html http://secunia.com/advisories/62209 Common Vulnerability Exposure (CVE) ID: CVE-2014-9294 BugTraq ID: 71762 http://www.securityfocus.com/bid/71762 Common Vulnerability Exposure (CVE) ID: CVE-2014-9295 BugTraq ID: 71761 http://www.securityfocus.com/bid/71761 SuSE Security Announcement: openSUSE-SU-2014:1670 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00020.html Common Vulnerability Exposure (CVE) ID: CVE-2014-9296 BugTraq ID: 71758 http://www.securityfocus.com/bid/71758
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