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GHSA-r55c-59qm-vjw6
No affected components available
Impact
The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, >] and ]>.
If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.
Patches
The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.
Workarounds
Don't parse untrusted XMLs.
References
- https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh : This is a similar vulnerability
- https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8 : This is a similar vulnerability
- https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41123/: An announce on www.ruby-lang.org
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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