[3.5] Backport disable following redirects when checking peer urls #17024
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It's possible that etcd server may run into SSRF situation when adding a new member. If users provide a malicious peer URL, the existing etcd members may be redirected to other unexpected internal URL when getting the new member's version. Signed-off-by: James Blair <mail@jamesblair.net>
serathius
approved these changes
Nov 27, 2023
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@serathius and @jmhbnz Can this merged? With this, we will be ready to move ahead with the release of 3.5.11 |
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Let me merge it. Issue was proposed by Benjamin with intention of being backported. |
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It's possible that etcd server may run into SSRF situation when adding a new member. If users provide a malicious peer URL, the existing etcd members may be redirected to other unexpected internal URL when getting the new member's version.
Backports: