QID 353269

Date Published: 2022-04-28

QID 353269: Amazon Linux Security Advisory for httpd : ALAS2-2022-1783

A flaw was found in the mod_lua module of httpd.
A crafted request body can cause a read to a random memory area due to an uninitialized value in functions called by the parsebody function.
The highest treat of this vulnerability is availability. (
( CVE-2022-22719) a flaw was found in httpd.
The inbound connection is not closed when it fails to discard the request body, which may expose the server to http request smuggling. (
( CVE-2022-22720) a flaw was found in httpd, where it incorrectly limits the value of the limitxmlrequestbody option.
This issue can lead to an integer overflow and later causes an out-of-bounds write. (
( CVE-2022-22721) 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. (
( CVE-2022-23943)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2022-1783 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353269

    CVE-2022-22721 | CVE-2022-23943 | CVE-2022-22720 | CVE-2022-22719 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2022-1783 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2022-1783.html
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