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CVE-2018-1098

Published: 3 April 2018

A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.

Notes

AuthorNote
msalvatore
Waiting for upstream to backport fix to 3.2 branch.
See https://github.com/etcd-io/etcd/issues/10479

Priority

Low

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
etcd
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Needed

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Needed

trusty Does not exist

upstream Needed

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
xenial Needed

jammy Needed

kinetic Ignored
(end of life, was needed)
impish Ignored
(end of life)
mantic Needed

lunar Ignored
(end of life, was needed)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H