CVE-2022-23943: mod_sed: Read/write beyond bounds
First published: Mon Mar 14 2022(Updated: )
An out-of-bounds read/write vulnerability was found in the mod_sed module of httpd. This flaw allows an attacker to overwrite the memory of an httpd instance that is using mod_sed with data provided by the attacker.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/httpd | <2.4.53 | 2.4.53 |
| 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 |
| Apache HTTP server | >=2.4.0<=2.4.52 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| Debian Debian Linux | =9.0 | |
| Oracle HTTP Server | =12.2.1.3.0 | |
| Oracle HTTP Server | =12.2.1.4.0 | |
| Oracle ZFS Storage Appliance Kit | =8.8 |
Remedy
Disabling mod_sed and restarting httpd will mitigate this flaw. See https://access.redhat.com/articles/10649 for more information.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-23943 https://nvd.nist.gov/vuln/detail/CVE-2022-23943 https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2022-23943
- https://bugzilla.redhat.com/show_bug.cgi?id=2064319
- 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-2022-23943
- http://www.openwall.com/lists/oss-security/2022/03/14/1
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00033.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/
- https://security.gentoo.org/glsa/202208-20
- https://security.netapp.com/advisory/ntap-20220321-0001/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.tenable.com/security/tns-2022-08
- https://www.tenable.com/security/tns-2022-09
- https://www.openwall.com/lists/oss-security/2022/03/14/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2064568
- https://svn.apache.org/viewvc?view=revision&revision=r1898695
- https://svn.apache.org/viewvc?view=revision&revision=r1898772
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2022-23943?
CVE-2022-23943 is an out-of-bounds read/write vulnerability found in the mod_sed module of Apache HTTP Server.
How does CVE-2022-23943 impact Apache HTTP Server?
CVE-2022-23943 allows an attacker to overwrite heap memory with possibly attacker-provided data.
What versions of Apache HTTP Server are affected by CVE-2022-23943?
Apache HTTP Server versions 2.4.52 and prior versions are affected by CVE-2022-23943.
What is the severity of CVE-2022-23943?
CVE-2022-23943 has a severity rating of critical (9.8).
How can I fix CVE-2022-23943?
To fix CVE-2022-23943, update Apache HTTP Server to version 2.4.53 or later.
- collector/redhat-cve
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- agent/remedy
- agent/author
- agent/weakness
- agent/severity
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2022-23943
- agent/software-canonical-lookup
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/title
- agent/event
- agent/tags
- agent/trending
- package-manager/redhat
- vendor/apache
- canonical/apache http server
- version/apache http server/2.4.0
- version/apache http server/2.4.52
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35
- version/fedoraproject fedora/36
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/oracle
- canonical/oracle http server
- version/oracle http server/12.2.1.3.0
- version/oracle http server/12.2.1.4.0
- canonical/oracle zfs storage appliance kit
- version/oracle zfs storage appliance kit/8.8