RCE in Omniauth-Weibo-Oauth2 Project
CVE-2019-17268
The omniauth-weibo-oauth2 gem 0.4.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Versions through 0.4.5, and 0.5.1 and later, are unaffected.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Omniauth-Weibo-Oauth2 Project — versions 0.4.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- diff.coditsu.io/diffs/09a05c37-1b34-49e1-ac94-d4dda40d1ad1 (Patch, Third Party Advisory)
- github.com/beenhero/omniauth-weibo-oauth2/issues/36 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-17268?
- CVE-2019-17268 is a critical-severity vulnerability in Omniauth-Weibo-Oauth2 Project, classified under Code Injection. CVSS score: 9.8/10. Published 2020-02-07.
- How severe is CVE-2019-17268?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-17268 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.