CVE-2009-0021
CVSS V2 Medium 5
CVSS V3 None
Description
NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077.
Overview
- CVE ID
- CVE-2009-0021
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2009-01-07T17:30:00
- Last Modified Date
- 2018-10-11T20:58:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 1 | OR | 4.2.4p4 | |
| cpe:2.3:a:ntp:ntp:4.2.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.4p1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.4p2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.4p3:*:*:*:*:*:*:* | 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
References
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2009-0021 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0021 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 18:26:50 | Added to TrackCVE |