GitHub Advisoryadvisory · RubyGems
GHSA-fqfj-cmh6-hj49 ruby-openid SSRF via claimed_id request
CRITICAL
Official page ↗
- Aliases
- CVE-2019-11027
- Ecosystem
- RubyGems
- Packages
- ruby-openid
- Severity
- Critical
- CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-918
- Reviewed
- 2019-06-13
Affected packages
• RubyGems ruby-openid: < 2.9.0 → fixed in 2.9.0
Description
Ruby OpenID (aka ruby-openid) through 2.8.0 is vulnerable to SSRF. Ruby-openid performs discovery first, and then verification. This allows an attacker to change the URL used for discovery and trick the server into connecting to the URL, which might be a private server not publicly accessible. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the "example app" provided by the project are at highest risk.
Related
Alias · CVE (1)
- CVE-2019-11027 Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. vulnerability
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-11027 advisory
- https://github.com/openid/ruby-openid/issues/122 web
- https://github.com/openid/ruby-openid/commit/d181a8a2099c64365a1d24b29f6b6b646673a131 web
- https://github.com/openid/ruby-openid package
- https://github.com/openid/ruby-openid/releases/tag/v2.9.0 web
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-openid/CVE-2019-11027.yml web
- https://lists.debian.org/debian-lts-announce/2019/10/msg00014.html web
- https://marc.info/?l=openid-security&m=155154717027534&w=2 web
- https://security.gentoo.org/glsa/202003-09 web