LXC up to 1.1.2 Proc Filesystem attach.c code

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in LXC up to 1.1.2. This affects an unknown part of the file attach.c of the component Proc Filesystem. The manipulation leads to Local Privilege Escalation. This vulnerability is uniquely identified as CVE-2015-1334. No exploit exists.

Detailsinfo

A vulnerability was found in LXC up to 1.1.2. It has been rated as problematic. This issue affects an unknown functionality of the file attach.c of the component Proc Filesystem. The manipulation with an unknown input leads to a code vulnerability. Using CWE to declare the problem leads to CWE-17. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

attach.c in LXC 1.1.2 and earlier uses the proc filesystem in a container, which allows local container users to escape AppArmor or SELinux confinement by mounting a poc filesystem with a crafted (1) AppArmor profile or (2) SELinux label.

The weakness was disclosed 08/12/2015 by Roman Fiedler (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2015-1334 since 01/22/2015. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 84993 (Debian DSA-3317-1 : lxc - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian 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)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (84993), SecurityFocus (BID 75998†) and Vulnerability Center (SBV-52271†). The entries VDB-77056, VDB-78184 and VDB-97951 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code
CWE: CWE-17
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: 84993
Nessus Name: Debian DSA-3317-1 : lxc - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703317
OpenVAS Name: Debian Security Advisory DSA 3317-1 (lxc - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/22/2015 🔍
07/17/2015 +176 days 🔍
07/17/2015 +0 days 🔍
08/12/2015 +26 days 🔍
08/12/2015 +0 days 🔍
08/13/2015 +1 days 🔍
08/24/2015 +11 days 🔍
06/09/2022 +2481 days 🔍

Sourcesinfo

Product: github.com

Advisory: USN-2675-1
Researcher: Roman Fiedler
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1334 (🔍)
GCVE (CVE): GCVE-0-2015-1334
GCVE (VulDB): GCVE-100-77057

OVAL: 🔍

SecurityFocus: 75998 - LXC '/lxc/attach.c' Remote Code Execution Vulnerability
Vulnerability Center: 52271 - attach.c in LXC 1.1.2 Local Code Execution due to a Directory Traversal Flaw when Creating Lock Files, Medium

See also: 🔍

Entryinfo

Created: 08/13/2015 10:15
Updated: 06/09/2022 09:44
Changes: 08/13/2015 10:15 (64), 11/02/2017 10:55 (6), 06/09/2022 09:43 (4), 06/09/2022 09:44 (1)
Complete: 🔍
Cache ID: 216:3C5:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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