PT-2016-7327 · Cisco+6 · Ntp+7
Aanchal Malhotra
+2
·
Publicado
2016-11-23
·
Atualizado
2024-06-15
·
CVE-2016-7433
CVSS v3.1
5.3
Média
| Vetor | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Name of the Vulnerable Software and Affected Versions
NTP versions prior to 4.2.8p9
Description
The issue is related to the initial sync calculations in NTP, which could allow remote attackers to have an unspecified impact via unknown vectors. This is due to a "root distance that did not include the peer dispersion." Multiple vulnerabilities in the NTP daemon package could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or modify the time being advertised by a device acting as an NTP server.
Recommendations
For NTP versions prior to 4.2.8p9, update to version 4.2.8p9 or later to resolve the issue. As a temporary workaround, consider restricting access to NTP services to minimize the risk of exploitation. Additionally, workarounds may be available and are documented in the Cisco bug for each affected product.
Correção
DoS
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Centos
Cisco Nexus
Freebsd
Ntp
Red Hat
Suse
Ubuntu