Home/CVE/An infinite loop vulnerability was found in libtirpc before version 1.0.2-rc2. With the port to using poll rather than s
CVE

CVE-2018-14621

An infinite loop vulnerability was found in libtirpc before version 1.0.2-rc2. With the port to using poll rather than s

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.

MEDIUM · CVSS 5.3 EPSS 0.0048
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

2
libtirpc project libtirpc<= 1.0.1
libtirpc project libtirpcall versions
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Aug 2018 · 01:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
⚑

Vendor Advisories

1
suse-csafSUSE-SU-2018:3146-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.linux-nfs.org/?p=steved/libtirpc.git
https://bugzilla.novell.com/show_bug.cgi?id=968175Issue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14621Issue TrackingPatchThird Party Advisory
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