National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-14621 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=fce98161d9815ea016855d9f00274276452c2c4b Patch Third Party Advisory
https://bugzilla.novell.com/show_bug.cgi?id=968175 Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14621 Issue Tracking Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:libtirpc_project:libtirpc:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.0.1
 cpe:2.3:a:libtirpc_project:libtirpc:1.0.2:rc1:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-14621
NVD Published Date:
08/30/2018
NVD Last Modified:
10/09/2019