Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2019-16056

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
06/09/2019
Last modified:
07/11/2023

Description

An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340; however, this CVE applies to Python more generally.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 2.7.16 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.0.0 (including) 3.0.1 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.1.0 (including) 3.1.5 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.2.0 (including) 3.2.6 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.3.0 (including) 3.3.7 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.4.0 (including) 3.4.10 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.5.0 (including) 3.5.7 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.6.0 (including) 3.6.9 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.7.0 (including) 3.7.4 (including)
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools