CVE-2020-35963
CVSS V2 Medium 6.8
CVSS V3 High 7.8
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.
Overview
- CVE ID
- CVE-2020-35963
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-01-03T19:15:11
- Last Modified Date
- 2021-01-08T13:45:14
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:* | 1 | OR | 1.6.4 | |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-35963 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35963 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:28:19 | Added to TrackCVE | |||
| 2022-12-05 19:18:06 | 2021-01-03T19:15Z | 2021-01-03T19:15:11 | CVE Published Date | updated |
| 2022-12-05 19:18:06 | 2021-01-08T13:45:14 | CVE Modified Date | updated | |
| 2022-12-05 19:18:06 | Analyzed | Vulnerability Status | updated |