Apache::Session::Browseable up to 1.3.5 Net::LDAPS certificate validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Apache::Session::Browseable up to 1.3.5 and classified as critical. This vulnerability affects the function Net::LDAPS. This manipulation causes certificate validation.
This vulnerability is tracked as CVE-2020-36659. The attack is possible to be carried out remotely. No exploit exists.
The affected component should be upgraded.
Details
A vulnerability was found in Apache::Session::Browseable up to 1.3.5. It has been declared as problematic. Affected by this vulnerability is the function Net::LDAPS. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality. The summary by CVE is:
In Apache::Session::Browseable before 1.3.6, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used. NOTE: this can, for example, be fixed in conjunction with the CVE-2020-16093 fix.
The weakness was disclosed 01/27/2023 as fdf393235140b293cae5578ef136055a78f3574f. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2020-36659 since 01/27/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.
Upgrading to version 1.3.6 eliminates this vulnerability. Applying the patch fdf393235140b293cae5578ef136055a78f3574f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Certificate validationCWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Apache::Session::Browseable 1.3.6
Patch: fdf393235140b293cae5578ef136055a78f3574f
Timeline
01/27/2023 🔍01/27/2023 🔍
01/27/2023 🔍
04/03/2025 🔍
Sources
Advisory: fdf393235140b293cae5578ef136055a78f3574fStatus: Confirmed
CVE: CVE-2020-36659 (🔍)
GCVE (CVE): GCVE-0-2020-36659
GCVE (VulDB): GCVE-100-219607
Entry
Created: 01/27/2023 12:39Updated: 04/03/2025 15:27
Changes: 01/27/2023 12:39 (42), 02/23/2023 14:15 (11), 04/03/2025 15:27 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.