CVE-2022-38580
CRITICAL9.8EPSS 51.3%Skipper vulnerable to SSRF via X-Skipper-Proxy
Description
### Impact 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. ### Patches The problem was patched in version https://github.com/zalando/skipper/releases/tag/v0.13.237. Users need to upgrade to skipper `>=v0.13.237`. ### Workarounds Use `dropRequestHeader("X-Skipper-Proxy")` filter ### References https://github.com/zalando/skipper/releases/tag/v0.13.237 ### For more information If you have any questions or comments about this advisory: * Open an issue in https://github.com/zalando/skipper/issues/new/choose * Chat with us in slack: https://app.slack.com/client/T029RQSE6/C82Q5JNH5
Affected packages (2)
- Go/github.com/zalando/skipperfrom 0, < 0.13.237
- Go/github.com/zalando/skipperfrom 0, < 0.13.237
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (12)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-38580
- PATCHhttps://github.com/zalando/skipper
- WEBhttp://packetstormsecurity.com/files/171546/X-Skipper-Proxy-0.13.237-Server-Side-Request-Forgery.html
- WEBhttps://gist.github.com/Fadavvi/9fffcfa4aaa9e25b77cfe7b3044b2857#file-cve-2022-38580
- WEBhttps://github.com/zalando/skipper/commit/842634347da8fe77e396f66edea79d329fd72130
- WEBhttps://github.com/zalando/skipper/pull/2058
- WEBhttps://github.com/zalando/skipper/releases/tag/v0.13.237
- WEBhttps://github.com/zalando/skipper/security/advisories/GHSA-f2rj-m42r-6jm2
- WEBhttp://skipper.com
- WEBhttps://pastebin.com/dXxpgPAK
- WEBhttps://pkg.go.dev/vuln/GO-2022-1086
- WEBhttp://zalando.com