GHSA-5866-49gr-22v4

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Source
https://github.com/advisories/GHSA-5866-49gr-22v4
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/08/GHSA-5866-49gr-22v4/GHSA-5866-49gr-22v4.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-5866-49gr-22v4
Aliases
Related
Published
2024-08-02T12:33:15Z
Modified
2024-09-05T18:46:20.005250Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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 DoS vulnerability
Details

Impact

The REXML gem before 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API.

If you need to parse untrusted XMLs with SAX2 or pull parser API, you may be impacted to this vulnerability.

Patches

The REXML gem 3.3.3 or later include the patch to fix the vulnerability.

Workarounds

Don't parse untrusted XMLs with SAX2 or pull parser API.

References

  • https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ : This is a similar vulnerability
  • https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946/: An announce on www.ruby-lang.org
Database specific 
{
    "nvd_published_at": "2024-08-01T15:15:14Z",
    "cwe_ids": [
        "CWE-400",
        "CWE-770"
    ],
    "severity": "MODERATE",
    "github_reviewed": true,
    "github_reviewed_at": "2024-08-02T12:33:15Z"
}
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
3.3.3

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
3.3.2