CVE-2020-13977
First published: Tue Jun 09 2020(Updated: )
Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nagios Nagios | =4.4.5 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://anhtai.me/nagios-core-4-4-5-url-injection/
- https://github.com/sawolf/nagioscore/tree/url-injection-fix
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/
- https://www.nagios.org/projects/nagios-core/history/4x/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/
Frequently Asked Questions
What is the severity of CVE-2020-13977?
The severity of CVE-2020-13977 is medium with a score of 4.9.
How can an attacker exploit CVE-2020-13977?
An attacker, with administrative access, can exploit CVE-2020-13977 by changing the 'URL for JSON CGIs' configuration setting and modifying the Alert Histogram and Trends code using crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files.
Which versions of Nagios are affected by CVE-2020-13977?
Nagios version 4.4.5 is affected by CVE-2020-13977.
How can I fix CVE-2020-13977?
To fix CVE-2020-13977, update to a patched version of Nagios, such as Nagios 4.4.6, which includes the fix for the URL injection vulnerability.
Where can I find more information about CVE-2020-13977?
You can find more information about CVE-2020-13977 on the following references: [link1], [link2], [link3].
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/references
- agent/author
- agent/type
- agent/event
- agent/description
- agent/softwarecombine
- agent/last-modified-date
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/nagios
- canonical/nagios nagios
- version/nagios nagios/4.4.5
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34