| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Cross Referencer LXR 0.3/0.8/0.9/0.9.1/0.9.2. The affected element is an unknown function. Executing a manipulation of the argument v can lead to path traversal. The identification of this vulnerability is CVE-2003-0156. There is no exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical was found in Cross Referencer LXR 0.3/0.8/0.9/0.9.1/0.9.2. This vulnerability affects an unknown functionality. The manipulation of the argument v 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. CVE summarizes:
Directory traversal vulnerability in Cross-Referencing Linux (LXR) allows remote attackers to read arbitrary files via .. (dot dot) sequences in the v parameter.
The weakness was shared 03/24/2003 by Albert Puigsech Galicia (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2003-0156 since 03/19/2003. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.
The vulnerability scanner Nessus provides a plugin with the ID 15101 (Debian DSA-264-1 : lxr - missing filename sanitizing), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11164 (LXR Cross-Referencer Arbitrary File Disclosure Vulnerability).
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (11513), Tenable (15101), SecurityFocus (BID 7062†) and Vulnerability Center (SBV-2985†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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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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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 15101
Nessus Name: Debian DSA-264-1 : lxr - missing filename sanitizing
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 53335
OpenVAS Name: Debian Security Advisory DSA 264-1 (lxr)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
03/10/2003 🔍03/10/2003 🔍
03/19/2003 🔍
03/19/2003 🔍
03/24/2003 🔍
03/24/2003 🔍
11/26/2003 🔍
09/29/2004 🔍
08/08/2014 🔍
08/24/2025 🔍
Sources
Advisory: securityfocus.com⛔Researcher: Albert Puigsech Galicia
Status: Confirmed
CVE: CVE-2003-0156 (🔍)
GCVE (CVE): GCVE-0-2003-0156
GCVE (VulDB): GCVE-100-20224
X-Force: 11513
SecurityFocus: 7062 - LXR Cross-Referencer Arbitrary File Disclosure Vulnerability
Vulnerability Center: 2985 - Cross-Referencing Linux (LXR) Directory Traversal via .. (dot-dot) Attack, Medium
Entry
Created: 08/08/2014 11:40Updated: 08/24/2025 01:56
Changes: 08/08/2014 11:40 (66), 05/17/2019 09:52 (6), 08/24/2025 01:56 (20)
Complete: 🔍
Cache ID: 216:541:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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