PowerDNS Recursor up to 4.6.5/4.7.4/4.8.3 denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.9 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in PowerDNS Recursor up to 4.6.5/4.7.4/4.8.3. Affected by this issue is some unknown functionality. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2023-26437. The attack may be performed from remote. There is no available exploit.
Details
A vulnerability was found in PowerDNS Recursor up to 4.6.5/4.7.4/4.8.3 (Domain Name Software). It has been rated as problematic. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:
Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.
The weakness was presented 04/04/2023. The advisory is available at docs.powerdns.com. This vulnerability is handled as CVE-2023-26437 since 02/22/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.9VulDB Meta Temp Score: 3.9
VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CNA Base Score: 3.4
CNA Vector ([email protected]): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/22/2023 🔍04/04/2023 🔍
04/04/2023 🔍
04/22/2023 🔍
Sources
Advisory: FEDORA-2023-0c1aaa76b6Status: Confirmed
CVE: CVE-2023-26437 (🔍)
GCVE (CVE): GCVE-0-2023-26437
GCVE (VulDB): GCVE-100-224918
Entry
Created: 04/04/2023 18:28Updated: 04/22/2023 09:49
Changes: 04/04/2023 18:28 (48), 04/22/2023 09:45 (1), 04/22/2023 09:49 (11)
Complete: 🔍
Cache ID: 216::103
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