CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $0-$5k | 0.00 |
A vulnerability has been found in Fail2ban and classified as problematic. This vulnerability affects some unknown processing of the file dshield.conf. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect integrity. CVE summarizes:
The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows local users to write to arbitrary files via a symlink attack on temporary files with predictable names, as demonstrated by /tmp/fail2ban-mail.txt.
The weakness was released 06/10/2014 (Website). The advisory is available at github.com. This vulnerability was named CVE-2009-5023 since 12/09/2010. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 74260 (GLSA-201406-03 : Fail2ban: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.
Upgrading to version 0.7.9 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (74260). Entry connected to this vulnerability is available at 64808.
Product
Name
Version
- 0.1.0
- 0.1.1
- 0.1.2
- 0.3.0
- 0.3.1
- 0.4.0
- 0.4.1
- 0.5.0
- 0.5.1
- 0.5.2
- 0.5.3
- 0.5.4
- 0.5.5
- 0.6.0
- 0.6.1
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 0.7.4
- 0.7.5
- 0.7.6
- 0.7.7
- 0.7.8
- 0.7.9
- 0.8.0
- 0.8.1
- 0.8.2
- 0.8.3
- 0.8.4
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.2VulDB Meta Temp Score: 5.9
VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Link followingCWE: CWE-59
ATT&CK: Unknown
Local: Yes
Remote: No
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 |
Nessus ID: 74260
Nessus Name: GLSA-201406-03 : Fail2ban: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Fail2ban 0.7.9
Timeline
12/09/2010 🔍06/11/2013 🔍
12/12/2013 🔍
06/02/2014 🔍
06/10/2014 🔍
06/10/2014 🔍
06/15/2014 🔍
03/26/2015 🔍
03/22/2022 🔍
Sources
Advisory: github.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2009-5023 (🔍)
Vulnerability Center: 44988 - Fail2ban before 0.8.5 Local File System Write Vulnerability via Symlink Attack, Medium
SecurityFocus: 60467 - Fail2ban Multiple Denial of Service Vulnerabilities
Secunia: 58841
See also: 🔍
Entry
Created: 03/26/2015 12:07Updated: 03/22/2022 14:26
Changes: 03/26/2015 12:07 (61), 05/30/2017 13:07 (5), 03/22/2022 14:26 (3)
Complete: 🔍
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