Vulnerability · Published Dec 24, 2020 · Assigned by mitre
CVE-2020-28169
High 7.0
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)7.0High
Exploit odds (30 days)1.2%top 32.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges because the bin directory is writable by a user account, but a file in bin is executed as NT AUTHORITY\SYSTEM.
Affected products (as reported)
References
- https://docs.fluentd.org/installation/install-by-msi x_refsource_MISC
- https://td-agent-package-browser.herokuapp.com/4/windows x_refsource_MISC
- https://www.fluentd.org/ x_refsource_MISC
- https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938 x_refsource_CONFIRM
- https://github.com/fluent/fluentd/issues/3201 x_refsource_CONFIRM
- https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1 x_refsource_CONFIRM
- http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html x_refsource_MISC
- DSA-4949 vendor-advisory, x_refsource_DEBIAN