CVE-2022-30522: mod_sed denial of service
First published: Wed Jun 08 2022(Updated: )
A flaw was found in the mod_sed module of httpd. A very large input to the mod_sed module can result in a denial of service due to excessively large memory allocations.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache HTTP server | =2.4.53 | |
| NetApp Clustered Data ONTAP | ||
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| redhat/jbcs-httpd24-httpd | <0:2.4.51-37.el8 | 0:2.4.51-37.el8 |
| redhat/jbcs-httpd24-httpd | <0:2.4.51-37.el7 | 0:2.4.51-37.el7 |
| 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 |
Remedy
Disabling mod_sed and restating httpd will mitigate this flaw.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-30522 https://nvd.nist.gov/vuln/detail/CVE-2022-30522 https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2022-30522
- https://bugzilla.redhat.com/show_bug.cgi?id=2095015
- https://access.redhat.com/errata/RHSA-2022:8840
- https://access.redhat.com/errata/RHSA-2022:7647
- https://access.redhat.com/errata/RHSA-2022:8067
- https://access.redhat.com/errata/RHSA-2022:8841
- https://access.redhat.com/errata/RHSA-2022:6753
- https://access.redhat.com/security/cve/cve-2022-30522
- https://exchange.xforce.ibmcloud.com/vulnerabilities/228338
- https://www.ibm.com/support/pages/node/6952319 (Advisory)
- http://www.openwall.com/lists/oss-security/2022/06/08/6
- 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/2022/06/08/6
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2095016
- https://svn.apache.org/viewvc?view=revision&revision=1901506
- 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 the vulnerability ID for this flaw?
The vulnerability ID for this flaw is CVE-2022-30522.
What is the severity level of CVE-2022-30522?
The severity level of CVE-2022-30522 is high, with a severity value of 7.5.
Which software versions are affected by CVE-2022-30522?
The affected software versions are Apache HTTP Server 2.4.54, jbcs-httpd24-httpd 0:2.4.51-37.el8, jbcs-httpd24-httpd 0:2.4.51-37.el7, httpd 0:2.4.53-7.el9, and httpd24-httpd 0:2.4.34-23.el7.5.
How can this vulnerability be exploited?
This vulnerability can be exploited by a remote attacker by making excessively large memory allocations, leading to a denial of service.
Are there any remedies for CVE-2022-30522?
Yes, the remedy for CVE-2022-30522 is to update to Apache HTTP Server version 2.4.54.
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