| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in NetBSD and Linux. It has been rated as problematic. The affected element is an unknown function of the file xfs of the component XFree86. This manipulation causes symlink. This vulnerability is handled as CVE-1999-0434. There is not any exploit available. Upgrading the affected component is advised.
Details
A vulnerability classified as critical was found in NetBSD and Linux (Operating System) (version unknown). Affected by this vulnerability is an unknown function of the file xfs of the component XFree86. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
XFree86 xfs command is vulnerable to a symlink attack, allowing local users to create files in restricted directories, possibly allowing them to gain privileges or cause a denial of service.
The weakness was released 03/30/1999 by Lukasz Trabinski (FIRST) as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-1999-0434. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 359†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
License
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 |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: SymlinkCWE: CWE-61 / CWE-59
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
03/30/1999 🔍03/30/1999 🔍
03/30/1999 🔍
06/20/2014 🔍
04/19/2026 🔍
Sources
Advisory: securityfocus.com⛔Researcher: Lukasz Trabinski (FIRST)
Status: Confirmed
CVE: CVE-1999-0434 (🔍)
GCVE (CVE): GCVE-0-1999-0434
GCVE (VulDB): GCVE-100-14581
SecurityFocus: 359 - Multiple Vendor xfs Symlink Vulnerability
Entry
Created: 06/20/2014 23:10Updated: 04/19/2026 00:42
Changes: 06/20/2014 23:10 (53), 04/04/2019 12:21 (1), 04/19/2026 00:42 (18)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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