PT-2020-9886 · Rubygems · Omniauth-Weibo-Oauth2

Mensfeld · Published 2020-02-07 · Updated 2022-05-24 · CVE-2019-17268

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions omniauth-weibo-oauth2 gem version 0.4.6

Description The issue concerns a code-execution backdoor inserted by a third party into the omniauth-weibo-oauth2 gem for Ruby.

Recommendations For version 0.4.6, update to a version outside the affected range, such as 0.4.5 or 0.5.1 and later, to resolve the issue.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2019-17268

GHSA-VR22-43GJ-RX3F

Affected Products

Omniauth-Weibo-Oauth2

References · 7

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-weibo-oauth2/CVE-2019-17268.yml · Exploit
• https://github.com/beenhero/omniauth-weibo-oauth2/issues/36 · Patch
• https://diff.coditsu.io/diffs/09a05c37-1b34-49e1-ac94-d4dda40d1ad1#d2h-971595 · Patch
• https://osv.dev/vulnerability/GHSA-vr22-43gj-rx3f · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-17268 · Security Note
• https://osv.dev/vulnerability/CVE-2019-17268 · Vendor Advisory
• https://github.com/beenhero/omniauth-weibo-oauth2 · Note