CVE-2022-28614 read beyond bounds via ap_rwrite()
An attacker can read unintended memory by causing the server to reflect very large input via ap_rwrite or ap_rputs functions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-28614?
CVE-2022-28614 is a medium-severity vulnerability in Apache Http Server, published on 8 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as with mod_luas r:puts() function. Modules compiled and distributed separately from Apache HTTP Server that use the 'ap_rputs' function and may pass it a very large (INT_MAX or larger) string must be compiled against current headers to resolve the issue.
Which versions are affected by CVE-2022-28614?
1 open source package ship an affected version, including apache. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
apache Bitnami | All versions | 2.4.54 |
Products include Apache Http Server, Fedoraproject Fedora, Netapp Clustered Data Ontap.
How do I fix CVE-2022-28614?
Upgrade apache to 2.4.54 or later.
Is CVE-2022-28614 being exploited?
There is no known exploitation of CVE-2022-28614 in the wild and no public exploit code.
Other vulnerabilities in Apache Http Server
Sources
Also known as ALPINE-CVE-2022-28614, BIT-apache-2022-28614, CLEANSTART-2026-FF62100, CLSA-2022-1663173256, CLSA-2022-1663184687, CLSA-2022-1663591920 and 3 more.