CVE-2022-29404: Denial of service in mod_lua r:parsebody
First published: Wed Jun 08 2022(Updated: )
A flaw was found in the mod_lua module of httpd. A malicious request to a Lua script that calls parsebody(0) can lead to a denial of service due to no default limit on the possible input size.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/httpd | <2.4.54 | 2.4.54 |
| redhat/httpd | <0:2.4.53-7.el9 | 0:2.4.53-7.el9 |
| redhat/httpd24-httpd | <0:2.4.34-23.el7.5 | 0:2.4.34-23.el7.5 |
| Apache HTTP server | <=2.4.53 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| NetApp Clustered Data ONTAP |
Remedy
Disabling mod_lua and restarting httpd will mitigate this flaw.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-29404 https://nvd.nist.gov/vuln/detail/CVE-2022-29404 https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2022-29404
- https://bugzilla.redhat.com/show_bug.cgi?id=2095012
- https://access.redhat.com/errata/RHSA-2022:7647
- https://access.redhat.com/errata/RHSA-2022:8067
- https://access.redhat.com/errata/RHSA-2022:6753
- https://access.redhat.com/security/cve/cve-2022-29404
- http://www.openwall.com/lists/oss-security/2022/06/08/5
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
- https://security.gentoo.org/glsa/202208-20
- https://security.netapp.com/advisory/ntap-20220624-0005/
- https://www.openwall.com/lists/oss-security/2022/06/08/5
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2095013
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2022-29404?
CVE-2022-29404 is a vulnerability in Apache HTTP Server 2.4.53 and earlier that can result in a denial of service due to a lack of input size limit.
How does CVE-2022-29404 affect Apache HTTP Server?
CVE-2022-29404 affects Apache HTTP Server versions 2.4.53 and earlier.
What is the severity of CVE-2022-29404?
CVE-2022-29404 has a severity rating of high with a severity value of 7.
How can I fix CVE-2022-29404?
To fix CVE-2022-29404, update Apache HTTP Server to version 2.4.54 or later.
Where can I find more information about CVE-2022-29404?
You can find more information about CVE-2022-29404 at the following references: [CVE-2022-29404](https://www.cve.org/CVERecord?id=CVE-2022-29404), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-29404), [Apache HTTP Server Security Vulnerabilities](https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2022-29404), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=2095012), and [Red Hat Advisory](https://access.redhat.com/errata/RHSA-2022:7647).
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