CVE-2020-35963

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 v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27261	Exploit Issue Tracking Third Party Advisory
https://fluentbit.io/announcements/v1.6.4/	Release Notes Vendor Advisory
https://github.com/fluent/fluent-bit/commit/cadff53c093210404aed01c4cf586adb8caa07af	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Information

Published : 2021-01-03 11:15

Updated : 2021-01-08 05:45

NVD link : CVE-2020-35963

Mitre link : CVE-2020-35963

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

treasuredata

fluent_bit

linux

linux_kernel

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