DescriptionFluentd collects events from various data sources and writes them to files to help unify logging infrastructure. The parser_apache2 plugin in Fluentd v0.14.14 to v1.14.1 suffers from a regular expression denial of service (ReDoS) vulnerability. A broken apache log with a certain pattern of string can spend too much time in a regular expression, resulting in the potential for a DoS attack. This issue is patched in version 1.14.2 There are two workarounds available. Either don't use parser_apache2 for parsing logs (which cannot guarantee generated by Apache), or put patched version of parser_apache2.rb into /etc/fluent/plugin directory (or any other directories specified by the environment variable `FLUENT_PLUGIN` or `--plugin` option of fluentd).
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having moderate severity.
|National Vulnerability Database|
List of released packages
|Product(s)||Fixed package version(s)||References|
|openSUSE Tumbleweed|| ||Patchnames: |
openSUSE Tumbleweed GA ruby3.1-rubygem-fluentd-1.14.4-1.1
SUSE Timeline for this CVECVE page created: Sat Oct 30 02:02:27 2021
CVE page last modified: Wed Oct 26 23:26:06 2022