Linux Kernel up to 5.1/5.4.66/5.10-rc4 /proc/pid/syscall numeric conversion

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel up to 5.1/5.4.66/5.10-rc4 and classified as problematic. This issue affects some unknown processing of the file /proc/pid/syscall. Such manipulation leads to numeric conversion. This vulnerability is traded as CVE-2020-28588. The attack may be launched remotely. Furthermore, there is an exploit available. A patch should be applied to remediate this issue.
Details
A vulnerability was found in Linux Kernel up to 5.1/5.4.66/5.10-rc4 (Operating System) and classified as problematic. Affected by this issue is an unknown code of the file /proc/pid/syscall. The manipulation with an unknown input leads to a numeric conversion vulnerability. Using CWE to declare the problem leads to CWE-681. When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur. Impacted is confidentiality.
The weakness was shared 05/11/2021 as TALOS-2020-1211. The advisory is available at talosintelligence.com. This vulnerability is handled as CVE-2020-28588. Technical details as well as a public exploit are known.
The exploit is available at talosintelligence.com. It is declared as proof-of-concept.
Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
- 5.0
- 5.1
- 5.4.0
- 5.4.1
- 5.4.2
- 5.4.3
- 5.4.4
- 5.4.5
- 5.4.6
- 5.4.7
- 5.4.8
- 5.4.9
- 5.4.10
- 5.4.11
- 5.4.12
- 5.4.13
- 5.4.14
- 5.4.15
- 5.4.16
- 5.4.17
- 5.4.18
- 5.4.19
- 5.4.20
- 5.4.21
- 5.4.22
- 5.4.23
- 5.4.24
- 5.4.25
- 5.4.26
- 5.4.27
- 5.4.28
- 5.4.29
- 5.4.30
- 5.4.31
- 5.4.32
- 5.4.33
- 5.4.34
- 5.4.35
- 5.4.36
- 5.4.37
- 5.4.38
- 5.4.39
- 5.4.40
- 5.4.41
- 5.4.42
- 5.4.43
- 5.4.44
- 5.4.45
- 5.4.46
- 5.4.47
- 5.4.48
- 5.4.49
- 5.4.50
- 5.4.51
- 5.4.52
- 5.4.53
- 5.4.54
- 5.4.55
- 5.4.56
- 5.4.57
- 5.4.58
- 5.4.59
- 5.4.60
- 5.4.61
- 5.4.62
- 5.4.63
- 5.4.64
- 5.4.65
- 5.4.66
- 5.10-rc1
- 5.10-rc2
- 5.10-rc3
- 5.10-rc4
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 3.9
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
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: Numeric conversionCWE: CWE-681 / CWE-704
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
11/13/2020 🔍12/03/2020 🔍
05/11/2021 🔍
05/11/2021 🔍
05/13/2021 🔍
Sources
Vendor: kernel.orgAdvisory: TALOS-2020-1211
Status: Confirmed
CVE: CVE-2020-28588 (🔍)
GCVE (CVE): GCVE-0-2020-28588
GCVE (VulDB): GCVE-100-174794
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/11/2021 07:58Updated: 05/13/2021 08:52
Changes: 05/11/2021 07:58 (44), 05/13/2021 08:52 (2)
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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