ruby/rexml · Security
REXML round-trip instability
- GHSA ID
- GHSA-8cr8-4vfw-mr7h
- CVE ID
- CVE-2021-28965
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Description
The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.
CWEs
- CWE-115 · Misinterpretation of Input
- CWE-611 · Improper Restriction of XML External Entity Reference
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-28965 ↗
- https://github.com/ruby/rexml/commit/2fe62e29094d95921d7e19abbd2e26b23d78dc5b ↗
- https://github.com/ruby/rexml/commit/3c137eb119550874b2b3e27d12b733ca67033377 ↗
- https://github.com/ruby/rexml/commit/6a250d2cd1194c2be72becbdd9c3e770aa16e752 ↗
- https://github.com/ruby/rexml/commit/9b311e59ae05749e082eb6bbefa1cb620d1a786e ↗
- https://github.com/ruby/rexml/commit/a659c63e37414506dfb0d4655e031bb7a2e73fc8 ↗
- https://github.com/ruby/rexml/commit/f7bab8937513b1403cea5aff874cbf32fd5e8551 ↗
- https://github.com/ruby/rexml/commit/f9d88e4948b4a43294c25dc0edb16815bd9d8618 ↗
- https://hackerone.com/reports/1104077 ↗
- https://rubygems.org/gems/rexml ↗
- https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/ ↗
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WTVFTLFVCSUE5CXHINJEUCKSHU4SWDMT/ ↗
- https://security.netapp.com/advisory/ntap-20210528-0003/ ↗
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2021-28965.yml ↗
- https://github.com/advisories/GHSA-8cr8-4vfw-mr7h ↗