CVE-2019-10842
CRITICAL9.8EPSS 8.9%Bootstrap-sass contains code execution backdoor
發布日:2019/4/4修改日:2026/3/13
描述
Arbitrary code execution (via backdoor code) was discovered in bootstrap-sass 3.2.0.3, when downloaded from rubygems.org. An unauthenticated attacker can craft the ___cfduid cookie value with base64 arbitrary code to be executed via eval(), which can be leveraged to execute arbitrary code on the target system. Note that there are three underscore characters in the cookie name. This is unrelated to the __cfduid cookie that is legitimately used by Cloudflare.
受影響套件(1)
- RubyGems/bootstrap-sass>= 3.2.0.3, < 3.2.0.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
參考連結(6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2019-10842
- PATCHhttps://github.com/twbs/bootstrap-sass
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap-sass/CVE-2019-10842.yml
- WEBhttps://github.com/twbs/bootstrap-sass/issues/1195
- WEBhttps://snyk.io/blog/malicious-remote-code-execution-backdoor-discovered-in-the-popular-bootstrap-sass-ruby-gem
- WEBhttps://snyk.io/vuln/SNYK-RUBY-BOOTSTRAPSASS-174093