Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libtirpc-devel package, versions <0:1.1.4-4.0.1.el8
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed30 Aug 2018
Introduced: 30 Aug 2018
CVE-2018-14621 (opens in a new tab)How to fix?
Upgrade Oracle:8 libtirpc-devel to version 0:1.1.4-4.0.1.el8 or higher.
This issue was patched in ELSA-2021-9449.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libtirpc-devel package and not the libtirpc-devel package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2018-14621.html
- https://linux.oracle.com/errata/ELSA-2021-9449.html
- http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=fce98161d9815ea016855d9f00274276452c2c4b
- http://git.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=fce98161d9815ea016855d9f00274276452c2c4b
- https://bugzilla.novell.com/show_bug.cgi?id=968175
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14621