CVE-2021-36088
Fluent Bit Double Free Vulnerability
Description
Fluent Bit (aka fluent-bit) 1.7.0 through 1.7.4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do).
INFO
Published Date :
July 1, 2021, 3:15 a.m.
Last Modified :
July 3, 2024, 1:36 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-36088.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750 | Exploit Patch Third Party Advisory |
| https://github.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54 | Patch Third Party Advisory |
| https://github.com/fluent/fluent-bit/pull/3453 | Patch Third Party Advisory |
| https://github.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yaml | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-36088 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-36088 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 03, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-415 Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
CVE Modified by [email protected]
May. 23, 2024
Action Type Old Value New Value Changed Description Fluent Bit (aka fluent-bit) 1.7.0 through 1.7,4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do). Fluent Bit (aka fluent-bit) 1.7.0 through 1.7.4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do). -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jul. 08, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750 Exploit, Patch, Third Party Advisory Changed Reference Type https://github.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54 No Types Assigned https://github.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54 Patch, Third Party Advisory Changed Reference Type https://github.com/fluent/fluent-bit/pull/3453 No Types Assigned https://github.com/fluent/fluent-bit/pull/3453 Patch, Third Party Advisory Changed Reference Type https://github.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yaml No Types Assigned https://github.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yaml Third Party Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:* versions from (including) 1.7.0 up to (including) 1.7.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-36088 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-36088
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.51 }} 0.05%
score
0.76099
percentile