CVE-2021-28965

Published on: 04/21/2021 12:00:00 AM UTC

Last Modified on: 06/02/2021 06:37:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

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.

  • CVE-2021-28965 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
CVE-2021-28965: XML round-trip vulnerability in REXML www.ruby-lang.org
text/html
URL Logo MISC www.ruby-lang.org/en/news/2021/04/05/xml-round-trip-vulnerability-in-rexml-cve-2021-28965/
CVE-2021-28965 Ruby Vulnerability in NetApp Products | NetApp Product Security security.netapp.com
text/html
URL Logo CONFIRM security.netapp.com/advisory/ntap-20210528-0003/
[SECURITY] Fedora 34 Update: rubygem-pry-0.13.1-5.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-7b8b65bc7a

Related QID Numbers

  • 159290 Oracle Enterprise Linux Security Update for ruby:2.5 (ELSA-2021-2587)
  • 159297 Oracle Enterprise Linux Security Update for ruby:2.7 (ELSA-2021-2584)
  • 159298 Oracle Enterprise Linux Security Update for ruby:2.6 (ELSA-2021-2588)
  • 174934 SUSE Enterprise Linux Security Update for ruby2.5 (SUSE-SU-2021:1280-1)
  • 198337 Ubuntu Security Notification for Ruby vulnerability (USN-4922-1)
  • 198344 Ubuntu Security Notification for Ruby vulnerability (USN-4922-2)
  • 239350 Red Hat Update for rh-ruby25-ruby (RHSA-2021:2104)
  • 239368 Red Hat Update for rh-ruby26-ruby (RHSA-2021:2230)
  • 239369 Red Hat Update for rh-ruby27-ruby (RHSA-2021:2229)
  • 239461 Red Hat Update for ruby:2.6 (RHSA-2021:2588)
  • 239462 Red Hat Update for ruby:2.5 (RHSA-2021:2587)
  • 239463 Red Hat Update for ruby:2.7 (RHSA-2021:2584)
  • 281338 Fedora Security Update for ruby (FEDORA-2021-0ea39d8eb3)
  • 281339 Fedora Security Update for ruby (FEDORA-2021-6385a09efc)
  • 281370 Fedora Security Update for ruby (FEDORA-2021-7b8b65bc7a)
  • 296053 Oracle Solaris 11.4 Support Repository Update (SRU) 35.94.4 Missing (CPUJUL2021)
  • 352306 Amazon Linux Security Advisory for ruby24: ALAS-2021-1501
  • 375475 GitLab Multiple Security Vulnerabilities(gitlab- 13-10-3)
  • 670412 EulerOS Security Update for ruby (EulerOS-SA-2021-1987)
  • 670497 EulerOS Security Update for ruby (EulerOS-SA-2021-2255)
  • 670523 EulerOS Security Update for ruby (EulerOS-SA-2021-2281)
  • 690169 Free Berkeley Software Distribution (FreeBSD) Security Update for gitlab (fb6e53ae-9df6-11eb-ba8c-001b217b3468)
  • 690188 Free Berkeley Software Distribution (FreeBSD) Security Update for ruby (dec7e4b6-961a-11eb-9c34-080027f515ea)
  • 750248 OpenSUSE Security Update for ruby2.5 (openSUSE-SU-2021:0607-1)
  • 900164 CBL-Mariner Linux Security Update for ruby 2.6.6

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
FedoraprojectFedora34AllAllAll
ApplicationRuby-langRexmlAllAllAllAll
ApplicationRuby-langRubyAllAllAllAll
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:a:ruby-lang:rexml:*:*:*:*:*:ruby:*:*:
  • cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @rubylandnews Ruby News ➜ CVE-2021-28965: XML round-trip vulnerability in REXML ruby-lang.org/en/news/2021/0… 2021-04-05 14:20:50
Twitter Icon @tomohi_ro “CVE-2021-28965: XML round-trip vulnerability in REXML” (1 user) htn.to/2ovCJRpgEt 2021-04-05 14:28:33
Twitter Icon @rubylangorg CVE-2021-28965: XML round-trip vulnerability in REXML ift.tt/3wDyLjs 2021-04-05 14:40:19
Twitter Icon @dev_talk Ruby: CVE-2021-28965: XML round-trip vulnerability in REXML forum.devtalk.com/t/8505 #rubylang #devtalk 2021-04-05 17:01:23
Twitter Icon @juuh42dias CVE-2021-28965: XML round-trip vulnerability in REXML ruby-lang.org/en/news/2021/0… 2021-04-06 23:47:27
Twitter Icon @ALDAYAF للكشف عن المعلومات الحساسة.الإجراءات الوقائية:يوصي المركز بتحديث النسخ المتأثرة عن طريق الاطلاع على الرابط أدناه:ruby-lang.org/en/news/2021/0… 2021-04-07 05:34:05
Twitter Icon @tekkie CVE-2021-28965: XML round-trip vulnerability in REXML ruby-lang.org/en/news/2021/0… 2021-04-08 11:59:19
Twitter Icon @dailycve ?Ubuntu vulnerability exploit CVE-2021-28965: (DC:529-2021) Exploit dailycve.com/ubuntu-vulnera… github.com/UndercodeUtili… 2021-04-27 14:54:50
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