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

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

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.

Detailsinfo

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.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Numeric conversion
CWE: 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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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
12/03/2020 +20 days 🔍
05/11/2021 +158 days 🔍
05/11/2021 +0 days 🔍
05/13/2021 +2 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 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

Entryinfo

Created: 05/11/2021 07:58
Updated: 05/13/2021 08:52
Changes: 05/11/2021 07:58 (44), 05/13/2021 08:52 (2)
Complete: 🔍
Cache ID: 216::103

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