Undertow HTTP/2 invocation of process using visible sensitive information
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Undertow. This vulnerability affects unknown code of the component HTTP2 Handler. The manipulation results in invocation of process using visible sensitive information. This vulnerability was named CVE-2021-3859. There is no available exploit. Applying a patch is advised to resolve this issue.
Details
A vulnerability, which was classified as problematic, was found in Undertow (unknown version). Affected is an unknown code block of the component HTTP2 Handler. The manipulation with an unknown input leads to a invocation of process using visible sensitive information vulnerability. CWE is classifying the issue as CWE-214. A process is invoked with sensitive command-line arguments, environment variables, or other elements that can be seen by other processes on the operating system. This is going to have an impact on availability. CVE summarizes:
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
The weakness was presented 08/27/2022. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-3859 since 10/05/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.
The vulnerability scanner Nessus provides a plugin with the ID 211908 (RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.3.11 Security update (Important) (RHSA-2024:10207)), which helps to determine the existence of the flaw in a target environment.
Applying the patch e43f0ada3f4da6e8579e0020cec3cb1a81e487c2 is able to eliminate this problem. The bugfix is ready for download at github.com.
The vulnerability is also documented in the vulnerability database at Tenable (211908). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: 🔍
Exploiting
Class: Invocation of process using visible sensitive informationCWE: CWE-214
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 |
Nessus ID: 211908
Nessus Name: RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.3.11 Security update (Important) (RHSA-2024:10207)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: e43f0ada3f4da6e8579e0020cec3cb1a81e487c2
Timeline
10/05/2021 🔍08/27/2022 🔍
08/27/2022 🔍
11/28/2024 🔍
Sources
Advisory: e43f0ada3f4da6e8579e0020cec3cb1a81e487c2Status: Confirmed
CVE: CVE-2021-3859 (🔍)
GCVE (CVE): GCVE-0-2021-3859
GCVE (VulDB): GCVE-100-207408
Entry
Created: 08/27/2022 08:08Updated: 11/28/2024 08:37
Changes: 08/27/2022 08:08 (39), 10/02/2022 14:18 (1), 10/02/2022 14:23 (11), 11/28/2024 08:37 (16)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.