CVE-2018-1061

Public on 2018-04-26
Modified on 2019-07-01
Description
A flaw was found in the way catastrophic backtracking was implemented in python's difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core python 2019-06-25 ALAS2-2019-1230 Fixed
Amazon Linux 1 python27 2018-04-26 ALAS-2018-1003 Fixed
Amazon Linux 1 python27 2018-12-06 ALAS-2018-1108 Fixed
Amazon Linux 1 python34 2018-04-26 ALAS-2018-1003 Fixed
Amazon Linux 1 python35 2018-04-26 ALAS-2018-1003 Fixed
Amazon Linux 1 python36 2018-04-26 ALAS-2018-1003 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H