GHSA-8cr8-4vfw-mr7h

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    GHSA-8cr8-4vfw-mr7h

    Published: 30 Apr 2021Last Modified: 27 Jan 2025

    Summary: REXML round-trip instability

    Details: 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.

    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://github.com/ruby/rexml, https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2021-28965.yml, https://lists.fedoraproject.org/archives/list/[email protected]/message/WTVFTLFVCSUE5CXHINJEUCKSHU4SWDMT, https://rubygems.org/gems/rexml, https://security.netapp.com/advisory/ntap-20210528-0003, https://www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965

    Affected packages

    Package

    Name: rexml

    Purl: pkg:gem/rexml

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.2.5

    Affected versions

    3.1.7.3
    3.1.8
    3.1.9
    3.1.9.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-8cr8-4vfw-mr7h | CVE-DB