CVE-2017-9233 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.debian.org/security/2017/dsa-3898 http://www.openwall.com/lists/oss-security/2017/06/17/7 http://www.securityfocus.com/bid/99276 http://www.securitytracker.com/id/1039427 https://github.com/libexpat/libexpat/blob/master/expat/Changes https://libexpat.github.io/doc/cve-2017-9233/ https://support.apple.com/HT208112 https://support.apple.com/HT208113 https://support.apple.com/HT208115 https://support.apple.com/HT208144 https://support.f5.com/csp/article/K03244804

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5