Ubuntu lxd prior 0.20-0ubuntu4.1 /var/lib/lxd/unix.socket access control

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.
5.7$0-$5k0.00

A vulnerability has been found in Ubuntu lxd and classified as problematic. This vulnerability affects an unknown function in the library /var/lib/lxd/unix.socket. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The lxd-unix.socket systemd unit file in the Ubuntu lxd package before 0.20-0ubuntu4.1 uses world-readable permissions for /var/lib/lxd/unix.socket, which allows local users to gain privileges via unspecified vectors.

The weakness was published 11/17/2015 (Website). The advisory is shared for download at ubuntu.com. This vulnerability was named CVE-2015-8222. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 0.20-0ubuntu4.1 eliminates this vulnerability.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: lxd 0.20-0ubuntu4.1

Timelineinfo

11/17/2015 🔍
11/17/2015 +0 days 🔍
11/17/2015 +0 days 🔍
11/17/2015 +0 days 🔍
11/18/2015 +1 days 🔍
11/23/2015 +5 days 🔍
06/27/2022 +2408 days 🔍

Sourcesinfo

Vendor: ubuntu.com

Advisory: USN-2809-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8222 (🔍)
Vulnerability Center: 54568 - LXD <0.20 Local Security Bypass by Changing Socket Permissions, Medium

Entryinfo

Created: 11/18/2015 10:16
Updated: 06/27/2022 14:40
Changes: 11/18/2015 10:16 (46), 04/18/2018 14:11 (7), 06/27/2022 14:40 (4)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!