util-linux up to 2.37.3 Environment Variable information exposure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in util-linux up to 2.37.3. The impacted element is an unknown function of the component Environment Variable Handler. The manipulation leads to information exposure. This vulnerability is uniquely identified as CVE-2022-0563. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability was found in util-linux up to 2.37.3. It has been rated as critical. This issue affects an unknown functionality of the component Environment Variable Handler. The manipulation with an unknown input leads to a information exposure vulnerability. Using CWE to declare the problem leads to CWE-209. The product generates an error message that includes sensitive information about its environment, users, or associated data. Impacted is confidentiality.
The weakness was disclosed 02/22/2022. It is possible to read the advisory at lore.kernel.org. The identification of this vulnerability is CVE-2022-0563 since 02/10/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
Upgrading to version 2.37.4 eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information exposureCWE: CWE-209 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
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: util-linux 2.37.4
Timeline
02/10/2022 🔍02/22/2022 🔍
02/22/2022 🔍
06/09/2025 🔍
Sources
Advisory: lore.kernel.orgStatus: Confirmed
CVE: CVE-2022-0563 (🔍)
GCVE (CVE): GCVE-0-2022-0563
GCVE (VulDB): GCVE-100-193607
Entry
Created: 02/22/2022 07:09Updated: 06/09/2025 22:16
Changes: 02/22/2022 07:09 (38), 02/25/2022 13:22 (1), 06/09/2025 22:16 (33)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.