CVE-2018-1061

Advisory lineage Upstream: 0 Downstream: 25
Modified
Published: 19 Jun 2018, 12:00
Last modified:05 Aug 2024, 03:51

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
1.78% LOW
2% probability +0.13%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Jun 2018, 12:00
Published
Vulnerability first disclosed
05 Aug 2024, 03:51
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 1.78%• Percentile: 83%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • canonical•ubuntu_linux

    12.04 | 14.04 | 16.04 | 18.04

  • debian•debian_linux

    8.0 | 9.0

  • fedoraproject•fedora

    28 | 29 | 30

  • python•python

    < 2.7.15 | ≥ 3.0, < 3.4.9 | ≥ 3.5.0, ≤ 3.5.5 | ≥ 3.6, ≤ 3.6.4 | 3.7.0:alpha1 | 3.7.0:alpha2 | 3.7.0:alpha3 | 3.7.0:alpha4 | 3.7.0:beta1 | 3.7.0:beta2 | 3.7.0:beta3 | 3.7.0:beta4 | 3.7.0:beta5 | 3.7.0:rc1

  • redhat•ansible_tower

    3.3

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_server

    7.0

  • redhat•enterprise_linux_workstation

    7.0

  • [unknown]•python

    python 2.7.15 | python 3.4.9 | python 3.5.6 | python 3.7.0

References (21)