Spotify Backstage has a seriouse
Spotify backstage has a seripuse vulnerability that has been addressed The Backstage project of sportify has been addressd for significant unauthenticated remote code execution full nerability,although developers are still encouraged to take Prompt action in their environments.
Describe Backstage
Backstage, one of the most well-liked open-source systems for creating developer portals, is used wedely by companies like sportify, american airlines, netflix, splunk, fidelity investments, epic games, palo alto network, and many moreit has more than 19,000 stars on github.
It streamlines the development enviroment by integrating all infrastructure tooling, services, and documentation.
Backstage is a project that has reached the incubating project manurity level and was admitted into the cloud native computing foundation ( CNCF ) on september 8 , 2020.
Concerning the vulnerability
According to yuval ostrovsky, Software Architect for oxeye, " unauthenticated threat actors have the ability to execute arbitrary system commands on a backstage application by exploiting a vm2 sandbox escape in the scaffolder core plagin, which is utilized by default. " critical vulnerabilities in cloud-native application like this one are becoming more widespread, thus it is esseential that they are fixed very now.
Through sportify bug bounty program, oxeye reseachers alerted the company to the vulnerability. sportify quickly issued a patch and published backstage version 1.5.1., which addresses the problem.
we begin each research effort by mapping prospective inputs to an application. backstage software templates and the possibility for template -based attacks were that initially attracted our attention in this situation, according to daniel abeles, head of research at oxeye. when considering how to limit this risk, we found that utilizing user controlled templates with nunjucks outside of an isolated enviroment might couse the templating engine to execute shell commands."
In template engine, evaluating user-provided strings might be risk since it leaves the program open to these kinds of template bassed attacks. the caractristics that the templating engine provides determine how seriouse an assault is. in this instance, the root ofa template-bassed VM escape was successfull in obtaining access to the templates javascript excution permissions, however, the development of server -side e injection vulnerabilities may be prevented by adopting " logic-less " template engines like mustache. explosure to the most hazardous template-bassed attacks may be significantly decreased by as far as possible separating the logic from the presentation.
Be sure to pick the appropriate template engine for your application security needs if you use one. strong template engines are really helpfull, but they could be dangeraus for the company, according to gal goldshtein, a senior security researcher at oxeye. " if using backstage. we strongly advise updating it to the most recent version as quickly as possible to defend against this vulnerability ".
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