Improper limitation of a pathname to a restricted directory ('path traversal') in Linux kernel

Published: 2006-04-26 | Updated: 2024-11-06

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2006-1864
CWE-ID	CWE-22
Exploitation vector	Local
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	Linux kernel Operating systems & Components / Operating system
Vendor	Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper limitation of a pathname to a restricted directory ('path traversal')

EUVDB-ID: #VU99902

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2006-1864

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

Description

The vulnerability allows a local user to read and manipulate data.

Directory traversal vulnerability in smbfs in Linux 2.6.16 and earlier allows local users to escape chroot restrictions for an SMB-mounted filesystem via '..\' sequences, a similar vulnerability to CVE-2006-1863.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.