lxc up to 1.1.2 lxclock.c link following

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

Summaryinfo

A vulnerability classified as problematic was found in lxc up to 1.1.2. Affected by this issue is some unknown functionality of the file lxclock.c. Executing a manipulation can lead to link following. This vulnerability is handled as CVE-2015-1331. There is not any exploit available.

Detailsinfo

A vulnerability was found in lxc up to 1.1.2. It has been declared as problematic. This vulnerability affects an unknown function of the file lxclock.c. 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:

lxclock.c in LXC 1.1.2 and earlier allows local users to create arbitrary files via a symlink attack on /run/lock/lxc/*.

The weakness was released 08/12/2015 by Roman Fiedler (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2015-1331 since 01/22/2015. 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 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 75999†) and Vulnerability Center (SBV-52272†). Entries connected to this vulnerability are available at VDB-77057, VDB-78184 and VDB-97951. Once again VulDB remains the best source for 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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 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 🔍
07/22/2015 +181 days 🔍
07/22/2015 +0 days 🔍
08/12/2015 +21 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-2015-1331 (🔍)
GCVE (CVE): GCVE-0-2015-1331
GCVE (VulDB): GCVE-100-77056

OVAL: 🔍

SecurityFocus: 75999 - LXC CVE-2015-1331 Local Directory Traversal Vulnerability
Vulnerability Center: 52272 - lxclock.c in LXC 1.1.2 and Earlier Local Directory Traversal Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 08/13/2015 10:15
Updated: 06/09/2022 09:42
Changes: 08/13/2015 10:15 (63), 11/02/2017 10:55 (6), 06/09/2022 09:38 (4), 06/09/2022 09:42 (1)
Complete: 🔍
Cache ID: 216:67D:103

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