Collabora Online up to 4.2.19/6.4.15 Authentication Token cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Collabora Online up to 4.2.19/6.4.15 and classified as problematic. This affects an unknown part of the component Authentication Token Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2021-43817. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Collabora Online up to 4.2.19/6.4.15. It has been declared as problematic. This vulnerability affects an unknown code of the component Authentication Token Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.
The weakness was published 12/14/2021 as GHSA-7f6h-v9mx-58q9. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-43817 since 11/16/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.
Upgrading to version 4.2.20 or 6.4.16 eliminates this vulnerability.
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Product
Name
Version
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.5
- 4.2.6
- 4.2.7
- 4.2.8
- 4.2.9
- 4.2.10
- 4.2.11
- 4.2.12
- 4.2.13
- 4.2.14
- 4.2.15
- 4.2.16
- 4.2.17
- 4.2.18
- 4.2.19
- 6.4.0
- 6.4.1
- 6.4.2
- 6.4.3
- 6.4.4
- 6.4.5
- 6.4.6
- 6.4.7
- 6.4.8
- 6.4.9
- 6.4.10
- 6.4.11
- 6.4.12
- 6.4.13
- 6.4.14
- 6.4.15
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 6.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 8.2
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Collabora Online 4.2.20/6.4.16
Timeline
11/16/2021 🔍12/14/2021 🔍
12/14/2021 🔍
12/16/2021 🔍
Sources
Advisory: GHSA-7f6h-v9mx-58q9Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-43817 (🔍)
GCVE (CVE): GCVE-0-2021-43817
GCVE (VulDB): GCVE-100-188080
Entry
Created: 12/14/2021 08:11Updated: 12/16/2021 12:09
Changes: 12/14/2021 08:11 (49), 12/16/2021 12:01 (2), 12/16/2021 12:09 (1)
Complete: 🔍
Cache ID: 216::103
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