CVE-2020-35963 — Out-of-bounds Write in Fluent BIT

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 40.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Treasuredata Fluent BIT
Timeline
PublishedJan 3
Latest updateMay 24

Description

flb_gzip_compress in flb_gzip.c in Fluent Bit before 1.6.4 has an out-of-bounds write because it does not use the correct calculation of the maximum gzip data-size expansion.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages1 packages

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

1
GHSA
GHSA-h5px-998j-r7c9: flb_gzip_compress in flb_gzip↗2022-05-24
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📋Vendor Advisories

1
Red Hat
fluent-bit: Out of bounds write in flb_gzip_compress in flb_gzip.c↗2021-04-29
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CVE-2020-35963 — Out-of-bounds Write in Fluent BIT | cvebase