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-2020-08 Possible XSS in Customer user address book (CVE-2020-1771)
Product Affected:
This issue affects ((OTRS)) Community Edition 6.0.x. This issue affects OTRS 7.0.x.
Problem:
Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding.
This issue affects:
((OTRS)) Community Edition:
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-2020-1771.
Solution:
Upgrade to OTRS 7.0.16, ((OTRS)) Community Edition 6.0.27
Patch for ((OTRS)) Community Edition 6: https://github.com/OTRS/otrs/commit/2576830053f70a3a9251558e55f34843dec61aa2
This issue is being tracked as 2020022642002875.
Modification History:
2020-03-27: Initial Publication.
Related Links:
CVE-2020-1771 at cve.mitre.org
CVSS Score:
4.6 ( CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N)
Risk Level:
MEDIUM
Aknowledgement:
Christoph Wuetschner