Improper Restriction of XML External Entity Reference in expat - CVE-2017-9233
Published: June 25, 2017 / Updated: October 4, 2017
Vulnerability identifier: #VU7242
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-9233
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: libexpat.org
Affected software:
expat
expat
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error within entityValueInitProcessor() function while parsing malformed XML in an external entity. An attacker can take advantage of this flaw to cause a denial of service against an application using the Expat library.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service attack.
The vulnerability exists due to an error within entityValueInitProcessor() function while parsing malformed XML in an external entity. An attacker can take advantage of this flaw to cause a denial of service against an application using the Expat library.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service attack.
How to mitigate CVE-2017-9233
Update to version 2.2.1.