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

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CVE-2018-1061

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/06/2018
Last modified:
07/11/2023

Description

python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

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

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

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 2.7.15 (excluding)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.0 (including) 3.4.9 (excluding)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.5.0 (including) 3.5.5 (including)
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 3.6 (including) 3.6.4 (including)
cpe:2.3:a:python:python:3.7.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:beta1:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:beta2:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:beta3:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:beta4:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:beta5:*:*:*:*:*:*
cpe:2.3:a:python:python:3.7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools