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CVE-2018-14621

Published: 30 August 2018

An infinite loop vulnerability was found in libtirpc before version 1.0.2-rc2. With the port to using poll rather than select, exhaustion of file descriptors would cause the server to enter an infinite loop, consuming a large amount of CPU time and denying service to other clients until restarted.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libtirpc
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Not vulnerable
(debian: Vulnerable code not in a released version)
xenial Not vulnerable
(code not present)
Patches:
other: http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=fce98161d9815ea016855d9f00274276452c2c4b

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H