CVE-2013-6890
DenyHosts - 'regex.py' Remote Denial of Service
Severity Score
5.0
*CVSS v2
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
denyhosts v2.6 utiliza una expresión regular incorrecta al analizar los registros de autenticación, , lo cual permite a atacantes remotos causar una denegación de servicio (secuencia incorrecta de direcciones IP) a través de nombres de inicio de sesión manipulados.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2013-11-28 CVE Reserved
- 2013-12-19 First Exploit
- 2013-12-23 CVE Published
- 2024-07-10 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-287: Improper Authentication
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/oss-sec/2013/q4/535 | Mailing List |
|
| https://bugzilla.redhat.com/show_bug.cgi?id=1045982 | X_refsource_misc |
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/38909 | 2013-12-19 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://secunia.com/advisories/56239 | 2013-12-24 | |
| http://www.debian.org/security/2013/dsa-2826 | 2013-12-24 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 6.0 Search vendor "Debian" for product "Debian Linux" and version "6.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.1 Search vendor "Debian" for product "Debian Linux" and version "7.1" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | * | - |
Affected
| ||||||
| Phil Schwartz Search vendor "Phil Schwartz" | Denyhosts Search vendor "Phil Schwartz" for product "Denyhosts" | 2.6 Search vendor "Phil Schwartz" for product "Denyhosts" and version "2.6" | - |
Affected
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