lxc up to 1.0.7/1.1.3 lxc-start link following

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in lxc up to 1.0.7/1.1.3. The impacted element is an unknown function of the component lxc-start. Executing a manipulation can lead to link following. The identification of this vulnerability is CVE-2015-1335. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in lxc up to 1.0.7/1.1.3. This vulnerability affects an unknown functionality of the component lxc-start. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

lxc-start in lxc before 1.0.8 and 1.1.x before 1.1.4 allows local container administrators to escape AppArmor confinement via a symlink attack on a (1) mount target or (2) bind mount source.

The weakness was shared 10/01/2015 by Roman Fiedler (Website). The advisory is shared for download at lists.linuxcontainers.org. This vulnerability was named CVE-2015-1335 since 01/22/2015. The attack needs to be approached locally. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86208 (Ubuntu 14.04 LTS / 15.04 : lxc vulnerability (USN-2753-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172475 (OpenSUSE Security Update for lxc, lxcfs (openSUSE-SU-2019:1481-1)).

Upgrading to version 1.0.8 or 1.1.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86208), SecurityFocus (BID 76894†) and Vulnerability Center (SBV-53538†). The entries VDB-77056, VDB-77057 and VDB-97951 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86208
Nessus Name: Ubuntu 14.04 LTS / 15.04 : lxc vulnerability (USN-2753-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703400
OpenVAS Name: Debian Security Advisory DSA 3400-1 (lxc - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: lxc 1.0.8/1.1.4
Patch: github.com

Timelineinfo

01/22/2015 🔍
09/29/2015 +250 days 🔍
09/30/2015 +1 days 🔍
10/01/2015 +1 days 🔍
10/01/2015 +0 days 🔍
10/02/2015 +1 days 🔍
10/18/2015 +16 days 🔍
06/20/2022 +2437 days 🔍

Sourcesinfo

Product: github.com

Advisory: USN-2753-1
Researcher: Roman Fiedler
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1335 (🔍)
GCVE (CVE): GCVE-0-2015-1335
GCVE (VulDB): GCVE-100-78184

OVAL: 🔍

SecurityFocus: 76894 - LXC CVE-2015-1335 Directory Traversal Vulnerability
Vulnerability Center: 53538 - Lxc before 1.0.8 and 1.1.x before 1.1.4 Local Bypass Restrictions via a Symlink Attack, High

See also: 🔍

Entryinfo

Created: 10/02/2015 10:27
Updated: 06/20/2022 07:19
Changes: 10/02/2015 10:27 (59), 02/13/2018 07:49 (12), 06/20/2022 07:14 (4), 06/20/2022 07:19 (1)
Complete: 🔍
Cache ID: 216:64F:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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