Jenkins Advisory 2021-01-13: CVE-2021-21606: Arbitrary file existence check in file fingerprints
4
(AV:N/AC:L/Au:S/C:P/I:N/A:N)
01/13/2021
12/08/2021
12/02/2021
07/12/2022
Description
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML files with a short path.
Solution(s)
- jenkins-lts-upgrade-2_263_2
- jenkins-upgrade-2_275
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