Release Note

OTRS Security Advisory 2020-09

March 27, 2020 — Please read carefully and check if the version of your OTRS 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

Security Advisory Details

ID: OSA-2020-09
Date: 2020-03-27
Title: Information Disclosure
Severity: 6.5 MEDIUM
Product: OTRS 7.0.x, OTRS 6.0.x, OTRS 5.0.x
Fixed in: OTRS 7.0.16, OTRS 6.0.27, 5.0.42
FULL CVSS VECTOR: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
References: CVE-2020-1772

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 version 6.0.26 and prior versions.

OTRS
7.0.15 and prior versions.

This issue was seen during production usage.
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/2628464f659c39fafbc32147d569553eb07d41d7

This issue is being tracked as 2020012742001563.

Modification History:

2020-03-27: Initial Publication.

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

Acknowledgements:

Fabian Henneke