CVE-2020-35518
CVSS V2 Medium 5
CVSS V3 Medium 5.3
Description
When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.
Overview
- CVE ID
- CVE-2020-35518
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-26T17:15:12
- Last Modified Date
- 2022-08-05T17:42:42
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:redhat:389_directory_server:*:*:*:*:*:*:*:* | 1 | OR | 1.4.3.19 | |
| cpe:2.3:o:redhat:389_directory_server:*:*:*:*:*:*:*:* | 1 | OR | 1.4.4.0 | 1.4.4.13 |
| cpe:2.3:o:redhat:389_directory_server:*:*:*:*:*:*:*:* | 1 | OR | 2.0.0 | 2.0.3 |
| cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1905565 | Issue Tracking Patch Vendor Advisory |
| https://github.com/389ds/389-ds-base/issues/4480 | Patch Third Party Advisory |
| https://github.com/389ds/389-ds-base/commit/cc0f69283abc082488824702dae485b8eae938bc | Patch Third Party Advisory |
| https://github.com/389ds/389-ds-base/commit/b6aae4d8e7c8a6ddd21646f94fef1bf7f22c3f32 | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-35518 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35518 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:17:30 | Added to TrackCVE | |||
| 2022-12-06 00:30:43 | 2021-03-26T17:15Z | 2021-03-26T17:15:12 | CVE Published Date | updated |
| 2022-12-06 00:30:43 | 2022-08-05T17:42:42 | CVE Modified Date | updated | |
| 2022-12-06 00:30:43 | Analyzed | Vulnerability Status | updated |