CVE-2017-9233

high

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.

References

https://libexpat.github.io/doc/cve-2017-9233/

https://github.com/libexpat/libexpat/blob/master/expat/Changes

http://www.openwall.com/lists/oss-security/2017/06/17/7

http://www.securityfocus.com/bid/99276

http://www.securitytracker.com/id/1039427

https://support.apple.com/HT208144

https://support.apple.com/HT208115

https://support.apple.com/HT208113

https://support.apple.com/HT208112

http://www.debian.org/security/2017/dsa-3898

https://support.f5.com/csp/article/K03244804

https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E

Details

Source: MITRE

Published: 2017-07-25

Updated: 2021-06-29

Type: CWE-611

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH