CVE-2013-6890
CVSS V2 Medium 5
CVSS V3 None
Description
denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
Overview
- CVE ID
- CVE-2013-6890
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2013-12-23T22:55:03
- Last Modified Date
- 2013-12-24T17:16:38
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:7.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:phil_schwartz:denyhosts:2.6:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
References
| Reference URL | Reference Tags |
|---|---|
| http://seclists.org/oss-sec/2013/q4/535 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1045982 | |
| http://secunia.com/advisories/56239 | Vendor Advisory |
| http://www.debian.org/security/2013/dsa-2826 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2013-6890 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6890 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 10:39:20 | Added to TrackCVE | |||
| 2022-12-01 21:20:08 | 2013-12-23T22:55Z | 2013-12-23T22:55:03 | CVE Published Date | updated |
| 2022-12-01 21:20:08 | 2013-12-24T17:16:38 | CVE Modified Date | updated | |
| 2022-12-01 21:20:08 | Analyzed | Vulnerability Status | updated |