CVE-2020-18683

Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling

published September 30, 2021

CVSS
โ€”
EPSS
1%
Percentile
70.1
In the wild
Unconfirmed
What it is

โš ๏ธ Poor input validation in Floodlight could leave the door ajar for unexpected behaviors! This flaw in checkFlow can mishandle undefined fields, leading to potential chaos. ๐Ÿ” Think of this as a restaurant where the chef starts cooking without checking the ingredients first. If a dish is prepared without validating what's actually available, you could end up with some truly bizarre combinations! ๐Ÿฝ๏ธ An unvalidated input scenario could allow attackers to manipulate flows in unexpected ways. While it hasn't been actively exploited, the potential for mischief is there โ€” think of it as a recipe gone wrong that could ruin the whole meal! ๐Ÿคฏ

Put simply

Think of this as a restaurant where the chef starts cooking without checking the ingredients first. If a dish is prepared without validating what's actually available, you could end up with some truly bizarre combinations! ๐Ÿฝ๏ธ This vulnerability in Floodlight 1.2 relates to inadequate input validation in the checkFlow method within StaticFlowEntryPusherResource.java, allowing mishandling of undefined fields. This could lead to unpredictable behavior in the application or unwanted changes.

What to do

An unvalidated input scenario could allow attackers to manipulate flows in unexpected ways. While it hasn't been actively exploited, the potential for mischief is there โ€” think of it as a recipe gone wrong that could ruin the whole meal! ๐Ÿคฏ To safeguard against this issue, update to Floodlight version 1.3 or higher, where input validation improvements have been implemented. Additionally, conduct a thorough code review to ensure that any new inputs are properly validated. ๐Ÿ›ก๏ธ You've got this! By following these steps, you'll strengthen your defenses and keep your application running smoothly. ๐Ÿ’ชโœจ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01292 ยท 70.1th percentile
Published
2021-09-30T01:20Z
EPSS history
Timeline
  • 30 SEP 01:20Z
    Floodlight through 1.2 has poor input validation in checkFlow in StaticFlowEntryPusherResource.java because of undefined fields mishandling
    cvelistv5