CVE-2019-5883

An Incorrect Access Control issue was discovered in GitLab Community and Enterprise Edition 6.0 and later but before 11.3.11, 11.4.x before 11.4.8, and 11.5.x…

published May 17, 2019

CVSS
—
EPSS
2%
Percentile
74.1
In the wild
Unconfirmed
What it is

⚠️ Oops, it seems users can slip into comments they aren't supposed to! This access control issue in GitLab lets unauthorized users post comments on issues, potentially leading to chaos. 😱 Think of it like a party where someone sneaks into a private conversation—suddenly, they're sharing opinions on topics they have no business discussing. This could lead to misinformation and confusion among attendees. While an attacker can't execute harmful actions directly, they can still stir up trouble by posting comments that mislead or confuse other users. This might undermine your team's efficiency and lead to misunderstandings about project statuses. Not great for team morale!

Put simply

Think of it like a party where someone sneaks into a private conversation—suddenly, they're sharing opinions on topics they have no business discussing. This could lead to misinformation and confusion among attendees. This vulnerability arises from a failure to enforce proper access controls in the issue comments feature, allowing users to comment on issues they shouldn't have access to. Thus, unauthorized voices can join in on discussions inadvertently.

What to do

While an attacker can't execute harmful actions directly, they can still stir up trouble by posting comments that mislead or confuse other users. This might undermine your team's efficiency and lead to misunderstandings about project statuses. Not great for team morale! To remediate this, upgrade to GitLab versions 11.3.11, 11.4.8, or 11.5.1 or later. Additionally, review your permissions settings to ensure they are correctly applied to issue comments to prevent unauthorized access. You've got this! With these steps, you'll tighten up your GitLab security in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01504 · 74.1th percentile
Published
2019-05-17T15:30Z
EPSS history
Timeline
  • 17 MAY 15:30Z
    An Incorrect Access Control issue was discovered in GitLab Community and Enterprise Edition 6.0 and later but before 11.3.11, 11.4.x before 11.4.8, and 11.5.x…
    cvelistv5