March 27, 2020 — Please read carefully and check if the version of your ((OTRS)) Community Edition system is affected by this vulnerability.
Please send information regarding vulnerabilities in OTRS to: security@otrs.org
PGP Key
- pub 2048R/9C227C6B 2011-03-21
- uid OTRS Security Team <security@otrs.org>
- GPG Fingerprint E330 4608 DA6E 34B7 1551 C244 7F9E 44E9 9C22 7C6B
OSA-2020-09 Information Disclosure (CVE-2020-1772)
Product Affected:
This issue affects ((OTRS)) Community Edition 5.0.x, 6.0.x. This issue affects OTRS 7.0.x.
Problem:
It’s possible to craft Lost Password requests with wildcards in the Token value, which allows attacker to retrieve valid Token(s), generated by users which already requested new passwords.
This issue affects:
((OTRS)) Community Edition
5.0.41 and prior versions, 6.0.26 and prior versions.
OTRS:
7.0.15 and prior versions.
This issue was discovered during an external security research.
This issue has been assigned CVE-2020-1772.
Solution:
Upgrade to OTRS 7.0.16, ((OTRS)) Community Edition 6.0.27, 5.0.42
Patch for ((OTRS)) Community Edition 6: https://github.com/OTRS/otrs/commit/c0255365d5c455272b2b9e7bb1f6c96c3fce441b
Patch for ((OTRS)) Community Edition 5:
https://github.com/OTRS/otrs/commit/96cc7826d6ce260204ff629fc968edd2787b7f6b
This issue is being tracked as 2020012742001563.
Modification History:
2020-03-27: Initial Publication.
Related Links:
CVE-2020-1772 at cve.mitre.org
CVSS Score:
6.5 ( CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N)
Risk Level:
MEDIUM
Aknowledgement:
Fabian Henneke