GHSA-4xqq-m2hx-25v8

Suggest an improvement
Source
https://github.com/advisories/GHSA-4xqq-m2hx-25v8
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/07/GHSA-4xqq-m2hx-25v8/GHSA-4xqq-m2hx-25v8.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-4xqq-m2hx-25v8
Aliases
Related
Published
2024-07-16T19:49:15Z
Modified
2024-11-11T23:57:04.835623Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
REXML denial of service vulnerability
Details

Impact

The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as <, 0 and %>.

If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.

Patches

The REXML gem 3.3.2 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://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908/
Database specific 
{
    "nvd_published_at": "2024-07-16T18:15:08Z",
    "cwe_ids": [
        "CWE-400"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2024-07-16T19:49:15Z"
}
References

Affected packages

RubyGems / rexml

Package

Name
rexml
Purl
pkg:gem/rexml

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.2

Affected versions

3.*

3.1.7.3
3.1.8
3.1.9
3.1.9.1
3.2.0
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.3.0
3.3.1