7.5

CVE-2019-15903

Exploit

In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libexpat ProjectLibexpat Version < 2.2.8
PythonPython Version >= 2.7.0 < 2.7.17
PythonPython Version >= 3.5.0 < 3.5.8
PythonPython Version >= 3.6.0 < 3.6.10
PythonPython Version >= 3.7.0 < 3.7.5
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.469
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
134c704f-9b21-4f2e-91b3-4a467353bcc0 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.

http://seclists.org/fulldisclosure/2019/Dec/26
Third Party Advisory
Mailing List
https://seclists.org/bugtraq/2019/Dec/23
Third Party Advisory
Mailing List
https://seclists.org/bugtraq/2019/Oct/29
Third Party Advisory
Mailing List
https://usn.ubuntu.com/4165-1/
Third Party Advisory
http://seclists.org/fulldisclosure/2019/Dec/23
Third Party Advisory
Mailing List
http://seclists.org/fulldisclosure/2019/Dec/27
Third Party Advisory
Mailing List
http://seclists.org/fulldisclosure/2019/Dec/30
Third Party Advisory
Mailing List
https://github.com/libexpat/libexpat/issues/317
Third Party Advisory
Exploit
Issue Tracking
https://github.com/libexpat/libexpat/pull/318
Patch
Third Party Advisory
Issue Tracking
https://seclists.org/bugtraq/2019/Dec/17
Third Party Advisory
Mailing List
https://seclists.org/bugtraq/2019/Dec/21
Third Party Advisory
Mailing List
https://seclists.org/bugtraq/2019/Nov/1
Third Party Advisory
Mailing List
https://seclists.org/bugtraq/2019/Nov/24
Third Party Advisory
Mailing List
https://seclists.org/bugtraq/2019/Sep/30
Third Party Advisory
Mailing List
https://seclists.org/bugtraq/2019/Sep/37
Third Party Advisory
Mailing List
https://usn.ubuntu.com/4132-1/
Third Party Advisory
https://usn.ubuntu.com/4132-2/
Third Party Advisory
https://usn.ubuntu.com/4202-1/
Third Party Advisory
https://usn.ubuntu.com/4335-1/
Third Party Advisory