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[email protected]NVD:CVE-2021-27186

HistoryFeb 10, 2021 - 10:15 p.m.

CVE-2021-27186

2021-02-1022:15:13

CWE-476

[email protected]

web.nvd.nist.gov

fluent bit 1.6.10

null pointer dereference

flb_malloc

validation

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

59.2%

JSON

Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_server/api/v1/metrics.c.

Affected configurations

Nvd

Node

treasuredatafluent_bitMatch1.6.10

VendorProductVersionCPE
treasuredatafluent_bit1.6.10cpe:2.3:a:treasuredata:fluent_bit:1.6.10:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
treasuredata	fluent_bit	1.6.10	cpe:2.3:a:treasuredata:fluent_bit:1.6.10:::::::*

References

github.com/fluent/fluent-bit/issues/3044

github.com/fluent/fluent-bit/pull/3045

github.com/fluent/fluent-bit/pull/3047

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

59.2%

JSON

Related for NVD:CVE-2021-27186

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