Moderate severityNVD Advisory· Published Feb 19, 2025· Updated Feb 19, 2025
Server-Side Request Forgery (SSRF) in sliver teamserver
CVE-2025-27090
Description
Sliver is an open source cross-platform adversary emulation/red team framework, it can be used by organizations of all sizes to perform security testing. The reverse port forwarding in sliver teamserver allows the implant to open a reverse tunnel on the sliver teamserver without verifying if the operator instructed the implant to do so. The only impact that has been shown is the exposure of the server's IP address to a third party. This issue has been addressed in version 1.5.43 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/bishopfox/sliverGo | >= 1.5.26, < 1.5.43 | 1.5.43 |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/bishopfox/sliverpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
>= 1.5.26, < 1.5.43+ 1 more
- (no CPE)range: >= 1.5.26, < 1.5.43
- (no CPE)range: < 0.0.20250312T181707-1.1
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-fh4v-v779-4g2wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-27090ghsaADVISORY
- github.com/BishopFox/sliver/commit/0f340a25cf3d496ed870dae7da39eab4427bc16fghsax_refsource_MISCWEB
- github.com/BishopFox/sliver/commit/10e245326070c6a5884a02e0790bb7e2baefb3a1ghsax_refsource_MISCWEB
- github.com/BishopFox/sliver/security/advisories/GHSA-fh4v-v779-4g2wghsax_refsource_CONFIRMWEB
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