SecuritySpace - CVE-2019-10842

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CVE ID: CVE-2019-10842

Description: 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.

Test IDs: None available

Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2019-10842
http://dgb.github.io/2019/04/05/bootstrap-sass-backdoor.html
https://github.com/twbs/bootstrap-sass/issues/1195
https://snyk.io/blog/malicious-remote-code-execution-backdoor-discovered-in-the-popular-bootstrap-sass-ruby-gem/
https://snyk.io/vuln/SNYK-RUBY-BOOTSTRAPSASS-174093

CVE ID:	CVE-2019-10842
Description:	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.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2019-10842 http://dgb.github.io/2019/04/05/bootstrap-sass-backdoor.html https://github.com/twbs/bootstrap-sass/issues/1195 https://snyk.io/blog/malicious-remote-code-execution-backdoor-discovered-in-the-popular-bootstrap-sass-ruby-gem/ https://snyk.io/vuln/SNYK-RUBY-BOOTSTRAPSASS-174093