Fluent Bit up to 1.7.4 flb_free double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Fluent Bit up to 1.7.4. Affected is the function flb_free. The manipulation leads to double free. This vulnerability is traded as CVE-2021-36088. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Fluent Bit up to 1.7.4. This issue affects the function flb_free. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability.

The weakness was shared 07/01/2021. The advisory is shared at bugs.chromium.org. The identification of this vulnerability is CVE-2021-36088. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

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: 🔍

Patch: github.com

Timelineinfo

07/01/2021 🔍
07/01/2021 +0 days 🔍
07/01/2021 +0 days 🔍
07/04/2021 +3 days 🔍

Sourcesinfo

Advisory: bugs.chromium.org
Status: Confirmed

CVE: CVE-2021-36088 (🔍)
GCVE (CVE): GCVE-0-2021-36088
GCVE (VulDB): GCVE-100-177869

Entryinfo

Created: 07/01/2021 08:04
Updated: 07/04/2021 19:07
Changes: 07/01/2021 08:04 (37), 07/04/2021 19:07 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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