lib/message.php in X7 Chat 2.0.0 through 2.0.5.1 allows remote authenticated users to execute arbitrary PHP code via a crafted HTTP header to index.php, which is processed by the preg_replace function with the eval switch.
Published 2014-11-20 13:55:08
Updated 2017-09-08 01:29:31
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2014-8998

Probability of exploitation activity in the next 30 days: 95.43%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2014-8998

  • X7 Chat 2.0.5 lib/message.php preg_replace() PHP Code Execution
    Disclosure Date: 2014-10-27
    First seen: 2020-04-26
    exploit/multi/http/x7chat2_php_exec
    This module exploits a post-auth vulnerability found in X7 Chat versions 2.0.0 up to 2.0.5.1. The vulnerable code exists on lib/message.php, which uses preg_replace() function with the /e modifier. This allows a remote authenticated attacker to execute arbitrary PHP

CVSS scores for CVE-2014-8998

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.5
MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
NIST

CWE ids for CVE-2014-8998

  • 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.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2014-8998

Products affected by CVE-2014-8998

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