CVE-2020-1693

Public Exploit

Description

A flaw was found in Spacewalk up to version 2.9 where it was vulnerable to XML internal entity attacks via the /rpc/api endpoint. An unauthenticated remote attacker could use this flaw to retrieve the content of certain files and trigger a denial of service, or in certain circumstances, execute arbitrary code on the Spacewalk server.

References

Link	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1693	issue tracking vendor advisory
https://github.com/spacewalkproject/spacewalk/commit/74e28ec61d916c42061ef4347121650a1c962b0c	patch
https://zeroauth.ltd/blog/2020/02/18/proof-of-concept-exploit-for-cve-2020-1693-spacewalk/	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-1693?: CVE-2020-1693 has been scored as a high severity vulnerability.
How to fix CVE-2020-1693?: To fix CVE-2020-1693, 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-2020-1693 being actively exploited in the wild?: It is possible that CVE-2020-1693 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1693?: CVE-2020-1693 affects Red Hat spacewalk.

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Description

Category

CWE-611 – Improper Restriction of XML External Entity Reference

References

Frequently Asked Questions