PT-2018-4260 · Ntt+1 · Ntp+1
Publicado
2018-08-14
·
Atualizado
2020-01-24
·
CVE-2014-5209
CVSS v3.1
5.3
Média
| Vetor | AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
NTP version 4.2.7p25
Description
The issue allows a malicious user to obtain sensitive information through private (mode 6/7) messages via a GET RESTRICT control message. Additionally, a remote authenticated attacker could bypass security restrictions by creating multiple ephemeral associations to win the clock selection of ntpd, potentially modifying a victim's clock.
Recommendations
For NTP version 4.2.7p25, consider restricting access to the GET RESTRICT control message to prevent information disclosure. As a temporary workaround, restrict the ability to create multiple ephemeral associations to prevent Sybil attacks from authenticated peers.
Correção
Information Disclosure
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Ibm Aix
Ntp