CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

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 vulnerability database at Tenable (86208). The entries 77056, 77057 and 97951 are related to this item.

Productinfo

Name

• lxc

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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

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

CVE: CVE-2015-1335 (🔍)
OVAL: 🔍

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

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: 🔍

Discussion

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