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CVE-2015-7701

Published: 22 October 2015

Memory leak in the CRYPTO_ASSOC function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (memory consumption).

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
ntp
Launchpad, Ubuntu, Debian
precise
Released (1:4.2.6.p3+dfsg-1ubuntu3.6)
trusty
Released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.5)
upstream Needs triage

vivid
Released (1:4.2.6.p5+dfsg-3ubuntu6.2)
wily
Released (1:4.2.6.p5+dfsg-3ubuntu8.1)
Patches:
upstream: https://github.com/ntp-project/ntp/commit/d7cd5e186034340402f1393e0813c7d2b14ea6ca

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H