CVE-2006-1863

Linux Kernel 2.6.x - CIFS CHRoot Security Restriction Bypass

Severity Score

7.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Directory traversal vulnerability in CIFS 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-2006-1864.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2006-04-19 CVE Reserved
2006-04-25 CVE Published
2006-04-28 First Exploit
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (20)

URL	Tag	Source
http://secunia.com/advisories/19868	Third Party Advisory
http://secunia.com/advisories/20398	Third Party Advisory
http://secunia.com/advisories/20914	Third Party Advisory
http://secunia.com/advisories/21614	Third Party Advisory
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=296034f7de8bdf111984ce1630ac598a9c94a253	X_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.11	X_refsource_confirm
http://www.osvdb.org/25068	Vdb Entry
http://www.securityfocus.com/bid/17742	Vdb Entry
http://www.vupen.com/english/advisories/2006/1542	Vdb Entry
http://www.vupen.com/english/advisories/2006/2554	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/26141	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10383	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/27769	2006-04-28
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189434	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://rhn.redhat.com/errata/RHBA-2007-0304.html	2023-02-13
http://www.debian.org/security/2006/dsa-1103	2023-02-13
http://www.mandriva.com/security/advisories?name=MDKSA-2006:150	2023-02-13
http://www.mandriva.com/security/advisories?name=MDKSA-2006:151	2023-02-13
http://www.novell.com/linux/security/advisories/2006-05-31.html	2023-02-13
http://www.trustix.org/errata/2006/0024	2023-02-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				<= 2.6.17 Search vendor "Linux" for product "Linux Kernel" and version " <= 2.6.17"		-		Affected