ckb Crate up to 0.39.x on Rust Nervos CKB Blockchain HashMap allocation of resources
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in ckb Crate up to 0.39.x on Rust. This impacts the function HashMap of the component Nervos CKB Blockchain Handler. Such manipulation leads to allocation of resources.
This vulnerability is listed as CVE-2021-45699. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is advised.
Details
A vulnerability, which was classified as problematic, has been found in ckb Crate up to 0.39.x on Rust (Rust Package). Affected by this issue is the function HashMap of the component Nervos CKB Blockchain Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability.
The weakness was presented 12/27/2021 as RUSTSEC-2021-0108. The advisory is shared for download at rustsec.org. This vulnerability is handled as CVE-2021-45699 since 12/26/2021. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading to version 0.40.0 eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
Version
- 0.1
- 0.2
- 0.3
- 0.4
- 0.5
- 0.6
- 0.7
- 0.8
- 0.9
- 0.10
- 0.11
- 0.12
- 0.13
- 0.14
- 0.15
- 0.16
- 0.17
- 0.18
- 0.19
- 0.20
- 0.21
- 0.22
- 0.23
- 0.24
- 0.25
- 0.26
- 0.27
- 0.28
- 0.29
- 0.30
- 0.31
- 0.32
- 0.33
- 0.34
- 0.35
- 0.36
- 0.37
- 0.38
- 0.39
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Allocation of resourcesCWE: CWE-770 / CWE-400 / 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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: ckb Crate 0.40.0
Timeline
12/26/2021 🔍12/27/2021 🔍
12/27/2021 🔍
12/30/2021 🔍
Sources
Advisory: RUSTSEC-2021-0108Status: Confirmed
CVE: CVE-2021-45699 (🔍)
GCVE (CVE): GCVE-0-2021-45699
GCVE (VulDB): GCVE-100-189308
Entry
Created: 12/27/2021 08:22Updated: 12/30/2021 10:31
Changes: 12/27/2021 08:22 (42), 12/30/2021 10:31 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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