CVE-2023-49930

An issue was discovered in Couchbase Server before 7.2.4

Critical Β· published February 28, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
59.4
In the wild
Unconfirmed
What it is

🚨 A cURL call can expose sensitive server information β€” just like asking a hotel receptionist for a guest list without an ID check! πŸ”₯ Think of this as a restaurant with an open kitchen where customers can freely walk in and peek at everything being prepared β€” any curious diner could see the secret recipes and operations happening behind the scenes. This vulnerability lets attackers make unrestricted cURL calls to /diag/eval, potentially leaking critical info. An attacker could exploit this oversight to gain unauthorized insights into the Couchbase Server's internal workings, compromising data integrity and system security. This could lead to an attacker obtaining sensitive information or accessing resources they shouldn't β€” it's absolutely devastating!

Put simply

Think of this as a restaurant with an open kitchen where customers can freely walk in and peek at everything being prepared β€” any curious diner could see the secret recipes and operations happening behind the scenes. This vulnerability lets attackers make unrestricted cURL calls to /diag/eval, potentially leaking critical info. The vulnerability in Couchbase Server versions prior to 7.2.4 allows unauthenticated cURL calls to the /diag/eval endpoint, which isn’t sufficiently restricted, enabling attackers to manipulate server diagnostics and potentially leak sensitive information.

What to do

An attacker could exploit this oversight to gain unauthorized insights into the Couchbase Server's internal workings, compromising data integrity and system security. This could lead to an attacker obtaining sensitive information or accessing resources they shouldn't β€” it's absolutely devastating! Immediately upgrade Couchbase Server to version 7.2.4 or later to patch this critical issue. Additionally, review your server's access controls and consider restricting access to sensitive diagnostics endpoints. Don't delay β€” your server's security depends on it! You've got this! By taking these steps, you're stepping up as a security hero! πŸ›‘οΈ

The record
Technical detail
CVSS v3.1
9.8 Β· CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00902 Β· 59.4th percentile
Published
2024-02-28T00:00Z
EPSS history
Timeline
  • 28 FEB 00:00Z
    An issue was discovered in Couchbase Server before 7.2.4
    cvelistv5