Backup, Restore and Migrate WordPress Sites With the XCloner Plugin <= 3.1.1 - Remote Code Execution

2014-10-17 00:00

Larry W. Cashdollar

Strategic Overview

Status

Patched in 3.1.2

Affected PluginBackup, Restore and Migrate your sites with XCloner

Affected Version< 3.1.2

CVSS7.2High

CVECVE-2014-8603

View all Backup, Restore and Migrate your sites with XCloner vulnerabilities

Vulnerability Overview

cloner.functions.php in the XCloner plugin 3.1.1 for WordPress and 3.5.1 for Joomla! allows remote administrators to execute arbitrary code via shell metacharacters in the (1) file name when creating a backup or vectors related to the (2) $_CONFIG[tarpath], (3) $exclude, (4) $_CONFIG['tarcompress'], (5) $_CONFIG['filename'], (6) $_CONFIG['exfile_tar'], (7) $_CONFIG[sqldump], (8) $_CONFIG['mysql_host'], (9) $_CONFIG['mysql_pass'], (10) $_CONFIG['mysql_user'], (11) $database_name, or (12) $sqlfile variable.

Technical Analysis

REMEDIATION: Update to version 3.1.2, or a newer patched version --- IDENTIFIER: CWE-94 (Improper Control of Generation of Code ('Code Injection')) The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

External References

https://www.cve.org/CVERecord?id=CVE-2014-8603 https://www.wordfence.com/threat-intel/vulnerabilities/id/b8cdd8b4-52e6-431b-b2f0-bfe1d0c1dd91

CVSS Vector

7.2

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

This record contains material that is subject to copyright

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

https://www.cve.org/Legal/TermsOfUse

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/