An attacker with the ability to generate session IDs or password reset tokens, either by being able to authenticate or by exploiting OSA-2020-09, may be able to predict other users session IDs, password reset tokens and automatically generated 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.
Weakness
The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Otrs | Otrs | 5.0.0 (including) | 5.0.41 (including) |
| Otrs | Otrs | 6.0.0 (including) | 6.0.26 (including) |
| Otrs | Otrs | 7.0.0 (including) | 7.0.15 (including) |
| Otrs2 | Ubuntu | bionic | * |
| Otrs2 | Ubuntu | eoan | * |
| Otrs2 | Ubuntu | focal | * |
| Otrs2 | Ubuntu | trusty | * |
| Otrs2 | Ubuntu | xenial | * |
Potential Mitigations
Related Attack Patterns
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
- https://otrs.com/release-notes/otrs-security-advisory-2020-10/
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
- https://otrs.com/release-notes/otrs-security-advisory-2020-10/