CVE-2022-30556

Information Disclosure in mod_lua with websockets

Description

Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache HTTP Server
Published at:
Updated at:

References

Link Tags
https://httpd.apache.org/security/vulnerabilities_24.html vendor advisory
http://www.openwall.com/lists/oss-security/2022/06/08/7 third party advisory mailing list
https://security.netapp.com/advisory/ntap-20220624-0005/ third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/ third party advisory vendor advisory
https://security.gentoo.org/glsa/202208-20 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-30556?
CVE-2022-30556 has been scored as a high severity vulnerability.
How to fix CVE-2022-30556?
To fix CVE-2022-30556, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-30556 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-30556 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-30556?
CVE-2022-30556 affects Apache Software Foundation Apache HTTP Server.
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