SANS Stormcast Monday March 17th: Mirai Makes Mistakes; Compromised Github Action; ruby-saml vulnerability; Fake GitHub Security Alert Phishing
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Mirai Bot Now Incorporating Malformed DrayTek Vigor Router Exploits One of the many versions of the Mirai botnet added some new exploit strings attempting to take advantage of an old DrayTek Vigor Router vulnerability, but they got the URL wrong. https://isc.sans.edu/diary/Mirai%20Bot%20now%20incroporating%20%28malformed%3F%29%20DrayTek%20Vigor%20Router%20Exploits/31770) Compromised GitHub Action The popular GitHub action tj-actions/changed-files was compromised and leaks credentials via the action logs https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised) ruby-saml authentication bypass A confusion in how to parse SAML messages between two XML parsers used by Ruby leads to an authentication bypass in saml-ruby. https://github.blog/security/sign-in-as-anyone-bypassing-saml-sso-authentication-with-parser-differentials/) GitHub Fake Security Alerts Fake GitHub security alerts are used to trick package maintainers into adding OAUTH privileges to malicious apps. https://www.bleepingcomputer.com/news/security/fake-security-alert-issues-on-github-use-oauth-app-to-hijack-accounts/)