CVE-2017-18912

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7

published June 19, 2020

CVSS
โ€”
EPSS
1%
Percentile
71.9
In the wild
Unconfirmed
What it is

โš ๏ธ A crafty attacker can specify a log file path in Mattermost Server versions before 3.8.2, 3.7.5, and 3.6.7 โ€” it's like giving someone the keys to the records room without checking their ID! ๐Ÿ”‘ Think of it like a hotel guest asking the front desk for a specific guest's confidential file simply because they know how to ask. The front desk shouldn't hand it over without verifying who they are, but this vulnerability lets attackers potentially request sensitive logs without proper checks! If exploited, this flaw could allow unauthorized access to potentially sensitive log information, providing attackers insights into user activities or system operations. Imagine an intruder peeking into files that could reveal just what your team has been up to behind the scenes โ€” yikes!

Put simply

Think of it like a hotel guest asking the front desk for a specific guest's confidential file simply because they know how to ask. The front desk shouldn't hand it over without verifying who they are, but this vulnerability lets attackers potentially request sensitive logs without proper checks! This vulnerability occurs when Mattermost Server accepts arbitrary log file paths, allowing attackers to access files without proper authorization checks. If they know the filename, they could potentially read sensitive information stored in those logs.

What to do

If exploited, this flaw could allow unauthorized access to potentially sensitive log information, providing attackers insights into user activities or system operations. Imagine an intruder peeking into files that could reveal just what your team has been up to behind the scenes โ€” yikes! To protect against this vulnerability, upgrade Mattermost Server to versions 3.8.2, 3.7.5, or 3.6.7 or later. It's crucial to double-check your configurations and ensure that log file access is restricted appropriately. Don't let the wrong people grab sensitive data! You've got this! Follow these steps, and you'll be one step closer to securing your Mattermost environment! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01387 ยท 71.9th percentile
Published
2020-06-19T18:45Z
EPSS history
Timeline
  • 19 JUN 18:45Z
    An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7
    cvelistv5