SB2019082121 - Information disclosure in Debian Linux

Description

This security bulletin contains information about 1 vulnerability.

1) Information disclosure (CVE-ID: CVE-2019-12746)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

An issue was discovered in Open Ticket Request System (OTRS) Community Edition 5.0.x through 5.0.36 and 6.0.x through 6.0.19. A user logged into OTRS as an agent might unknowingly disclose their session ID by sharing the link of an embedded ticket article with third parties. This identifier can be then be potentially abused in order to impersonate the agent user.

Remediation

Install update from vendor's website.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html
• https://community.otrs.com/security-advisory-2019-10-security-update-for-otrs-framework/
• https://lists.debian.org/debian-lts-announce/2019/08/msg00018.html
• https://www.otrs.com/category/release-and-security-notes-en/