Citrix XenServer 7.1 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Citrix XenServer 7.1. It has been declared as critical. The impacted element is an unknown function. Such manipulation leads to path traversal. This vulnerability is traded as CVE-2018-14007. The attack may be launched remotely. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Citrix XenServer 7.1 (Virtualization Software) and classified as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Citrix XenServer 7.1 and newer allows Directory Traversal.

The bug was discovered 08/14/2018. The weakness was shared 08/15/2018 by Ronald Volgers as XSA-271 as confirmed security advisory (Website). The advisory is available at xenbits.xen.org. This vulnerability is handled as CVE-2018-14007 since 07/12/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 111789 (Citrix XenServer Multiple Vulnerabilities (Foreshadow) (CTX236548)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context l.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111789) and SecurityFocus (BID 105110†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111789
Nessus Name: Citrix XenServer Multiple Vulnerabilities (Foreshadow) (CTX236548)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

07/12/2018 🔍
08/14/2018 +33 days 🔍
08/14/2018 +0 days 🔍
08/15/2018 +0 days 🔍
08/15/2018 +0 days 🔍
08/15/2018 +0 days 🔍
08/16/2018 +1 days 🔍
08/16/2018 +0 days 🔍
03/16/2020 +578 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: XSA-271
Researcher: Ronald Volgers
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-14007 (🔍)
GCVE (CVE): GCVE-0-2018-14007
GCVE (VulDB): GCVE-100-122954
SecurityFocus: 105110 - Xen XAPI CVE-2018-14007 Directory Traversal Vulnerability

Entryinfo

Created: 08/16/2018 06:33
Updated: 03/16/2020 08:30
Changes: 08/16/2018 06:33 (69), 03/16/2020 08:30 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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