Server-side Request Forgery (SSRF) Affecting github.com/bishopfox/sliver/server/core/rtunnels package, versions >=1.5.26 <1.5.43
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMBISHOPFOXSLIVERSERVERCORERTUNNELS-8738860
- published20 Feb 2025
- disclosed19 Feb 2025
- creditchebuya
Introduced: 19 Feb 2025
NewCVE-2025-27090 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade github.com/bishopfox/sliver/server/core/rtunnels to version 1.5.43 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) through the createReverseTunnelHandler() function. An attacker can leak teamserver IP information and may be able to implant a reverse tunnel to achieve arbitrary code execution.
Note: Only the teamserver origin IP leak has been demonstrated.