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CVE-2017-9233 Detail

Description

XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-3898 Third Party Advisory 
http://www.openwall.com/lists/oss-security/2017/06/17/7 Mailing List  VDB Entry 
http://www.securityfocus.com/bid/99276 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1039427 Third Party Advisory  VDB Entry 
https://github.com/libexpat/libexpat/blob/master/expat/Changes Release Notes  Third Party Advisory 
https://libexpat.github.io/doc/cve-2017-9233/ Exploit  Technical Description  Vendor Advisory 
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://support.apple.com/HT208112 Third Party Advisory 
https://support.apple.com/HT208113 Third Party Advisory 
https://support.apple.com/HT208115 Third Party Advisory 
https://support.apple.com/HT208144 Third Party Advisory 
https://support.f5.com/csp/article/K03244804 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') cwe source acceptance level NIST  
CWE-611 Improper Restriction of XML External Entity Reference cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-9233
NVD Published Date:
07/25/2017
NVD Last Modified:
11/06/2023
Source:
MITRE