CVE-2022-30633

Stack exhaustion when unmarshaling certain documents in encoding/xml

Description

Uncontrolled recursion in Unmarshal in encoding/xml before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via unmarshalling an XML document into a Go struct which has a nested field that uses the 'any' field tag.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
Vendor Advisory go.dev Vendor Advisory go.dev Vendor Advisory googlesource.com Vendor Advisory google.com Vendor Advisory go.dev
Affected: Go standard library encoding/xml
Published at:
Updated at:

References

Link Tags
https://go.dev/cl/417061 patch vendor advisory
https://go.googlesource.com/go/+/c4c1993fd2a5b26fe45c09592af6d3388a3b2e08 mailing list patch vendor advisory
https://go.dev/issue/53611 issue tracking vendor advisory
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE mailing list vendor advisory
https://pkg.go.dev/vuln/GO-2022-0523 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-30633?
CVE-2022-30633 has been scored as a high severity vulnerability.
How to fix CVE-2022-30633?
To fix CVE-2022-30633, 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-2022-30633 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-30633 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-2022-30633?
CVE-2022-30633 affects Go standard library encoding/xml.
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