Apache::Session::LDAP up to 0.4 Net::LDAPS certificate validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Apache::Session::LDAP up to 0.4. This affects the function Net::LDAPS. The manipulation results in certificate validation.
This vulnerability is identified as CVE-2020-36658. The attack can be executed remotely. There is not any exploit available.
You should upgrade the affected component.
Details
A vulnerability was found in Apache::Session::LDAP up to 0.4 (Directory Service Software). It has been classified as problematic. Affected is the function Net::LDAPS. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality. CVE summarizes:
In Apache::Session::LDAP before 0.5, 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 released 01/27/2023 as 490722b71eed1ed1ab33d58c78578f23e043561f. The advisory is available at github.com. This vulnerability is traded as CVE-2020-36658 since 01/27/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.
Upgrading to version 0.5 eliminates this vulnerability. Applying the patch 490722b71eed1ed1ab33d58c78578f23e043561f 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.
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Product
Type
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 |
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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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Apache::Session::LDAP 0.5
Patch: 490722b71eed1ed1ab33d58c78578f23e043561f
Timeline
01/27/2023 🔍01/27/2023 🔍
01/27/2023 🔍
03/28/2025 🔍
Sources
Advisory: 490722b71eed1ed1ab33d58c78578f23e043561fStatus: Confirmed
CVE: CVE-2020-36658 (🔍)
GCVE (CVE): GCVE-0-2020-36658
GCVE (VulDB): GCVE-100-219606
Entry
Created: 01/27/2023 12:39Updated: 03/28/2025 20:29
Changes: 01/27/2023 12:39 (43), 02/23/2023 14:11 (11), 03/28/2025 20:29 (16)
Complete: 🔍
Cache ID: 216::103
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