XXE in NetApp Bootstrap OS
CVE-2024-43398
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- NetApp Bootstrap OS
- NetApp Hci Compute Node
- Ruby Rexml — versions < 3.3.6
- Ruby-Lang Rexml
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ruby/rexml/security/advisories/GHSA-vmwr-mc7x-5vc3 (Vendor Advisory)
- github.com/ruby/rexml/releases/tag/v3.3.6 (Release Notes)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
Frequently asked questions
- What is CVE-2024-43398?
- CVE-2024-43398 is a medium-severity vulnerability in NetApp Bootstrap OS, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 5.9/10. Published 2024-08-22.
- How severe is CVE-2024-43398?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2024-43398 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.