Critical Memory Read Vulnerability in Apache2 Package
Summary
UBUNTU-CVE-2022-22719: A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. Affects apache2 versions < 2.4.7-1ubuntu4.22+esm4. Fixed in 2.4.7-1ubuntu4.22+esm4. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
Apache2 is a widely used open-source web server software that enables the hosting of websites and web applications. It is known for its flexibility, security features, and support for various protocols. However, recent vulnerabilities have raised concerns about its security, particularly the CVE-2022-22719, which affects multiple versions of the Apache2 package across different Ubuntu distributions.
Vulnerability Detail
The vulnerability identified as CVE-2022-22719 allows a carefully crafted request body to cause a read to a random memory area, potentially leading to a crash of the Apache HTTP Server process. This issue affects Apache HTTP Server versions 2.4.52 and earlier. The ramifications include service disruption and potential exposure of sensitive information, as the crash could reveal memory contents.
How To Fix
Minimum fixed version
2.4.7-1ubuntu4.22+esm4
This is the first release that contains the fix.
sudo apt-get install --only-upgrade apache2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, you can limit the types of requests that your server accepts or implement additional security measures such as request validation to mitigate the risk of triggering the vulnerability until a patch is applied.
Conclusion
The CVE-2022-22719 vulnerability poses a significant risk to Apache2 users, potentially leading to service disruptions and exposure of sensitive data. It is crucial to update to the latest patched version to mitigate these risks. For ongoing monitoring of vulnerabilities, tools like Vulert can provide real-time alerts based on your manifest files.
See every vulnerability recorded for apache2 →
FAQ
CVE-2022-22719 is a vulnerability in the Apache HTTP Server that allows a crafted request body to read random memory areas, potentially causing the server to crash.
Apache2 versions 2.4.52 and earlier are affected by this vulnerability.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
The CVSS score of CVE-2022-22719 is 7.5, indicating a high severity level.
If immediate updates are not possible, consider implementing request validation or limiting the types of requests accepted by your server as a temporary measure.
Related vulnerabilities
Recent vulnerabilities recorded for apache2.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
