drachtio server 0.8.18 request-handler.cpp event_cb use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in drachtio server 0.8.18. This affects the function event_cb of the file request-handler.cpp. The manipulation results in use after free.
This vulnerability is known as CVE-2022-45474. No exploit is available.
A patch should be applied to remediate this issue.
Details
A vulnerability classified as critical has been found in drachtio server 0.8.18. Affected is the function event_cb of the file request-handler.cpp. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
drachtio-server 0.8.18 has a request-handler.cpp event_cb use-after-free for any request.
The weakness was published 11/18/2022 as 240. The advisory is available at github.com. This vulnerability is traded as CVE-2022-45474 since 11/18/2022. Technical details are known, but there is no available exploit.
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-48340). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
11/18/2022 🔍11/18/2022 🔍
11/18/2022 🔍
10/02/2026 🔍
Sources
Advisory: 240Status: Confirmed
CVE: CVE-2022-45474 (🔍)
GCVE (CVE): GCVE-0-2022-45474
GCVE (VulDB): GCVE-100-213930
EUVD: 🔍
Entry
Created: 11/18/2022 20:42Updated: 10/02/2026 07:29
Changes: 11/18/2022 20:42 (40), 12/20/2022 11:17 (2), 12/20/2022 11:24 (11), 04/30/2025 01:34 (19), 10/02/2026 07:29 (4)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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