| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in ZNC up to 0.070. Impacted is an unknown function of the component DCC SEND. Executing a manipulation can lead to path traversal. This vulnerability is tracked as CVE-2009-2658. No exploit exists. Upgrading the affected component is advised.
Details
A vulnerability has been found in ZNC up to 0.070 and classified as critical. This vulnerability affects an unknown function of the component DCC SEND. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Directory traversal vulnerability in ZNC before 0.072 allows remote attackers to overwrite arbitrary files via a crafted DCC SEND request.
The weakness was disclosed 08/04/2009 (Website). The advisory is shared for download at en.znc.in. This vulnerability was named CVE-2009-2658. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.
The vulnerability scanner Nessus provides a plugin with the ID 44713 (Debian DSA-1848-1 : znc - directory traversal), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.
Upgrading to version 0.066 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (44713), SecurityFocus (BID 35757†), Secunia (SA35916†) and Vulnerability Center (SBV-23543†). Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Path traversalCWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 44713
Nessus Name: Debian DSA-1848-1 : znc - directory traversal
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 64560
OpenVAS Name: Debian Security Advisory DSA 1848-1 (znc)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: ZNC 0.066
Timeline
07/21/2009 🔍07/21/2009 🔍
08/04/2009 🔍
08/04/2009 🔍
08/04/2009 🔍
09/22/2009 🔍
02/24/2010 🔍
03/18/2015 🔍
02/03/2025 🔍
Sources
Advisory: en.znc.inStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2009-2658 (🔍)
GCVE (CVE): GCVE-0-2009-2658
GCVE (VulDB): GCVE-100-49252
SecurityFocus: 35757 - ZNC File Upload Directory Traversal Vulnerability
Secunia: 35916
Vulnerability Center: 23543 - ZNC Prior to 0.072 Remote Arbitrary Files Overwrite Vulnerability via a Crafted DCC SEND Request, Medium
Entry
Created: 03/18/2015 15:15Updated: 02/03/2025 00:45
Changes: 03/18/2015 15:15 (58), 02/15/2017 09:14 (8), 08/13/2021 10:06 (4), 08/13/2021 10:12 (1), 02/03/2025 00:45 (17)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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