CVE-2018-1061

Severity

50%

Complexity

99%

Confidentiality

48%

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.

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 3.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

First reported 6 years ago

2018-06-19 12:29:00

Last updated 5 years ago

2019-10-03 00:03:00

Affected Software

Python

Python 3.7.0 Alpha1

3.7.0

Python 3.7.0 Alpha2

3.7.0

Python 3.7.0 Alpha3

3.7.0

Python 3.7.0 Alpha4

3.7.0

Python 3.7.0 Beta1

3.7.0

Python 3.7.0 Beta2

3.7.0

Python 3.7.0 Beta3

3.7.0

Python 3.7.0 Beta4

3.7.0

Python 3.7.0 Beta5

3.7.0

Python 3.7.0 Release Candidate 1

3.7.0

Debian Linux 8.0 (Jessie)

8.0

Debian Linux 9.0

9.0

Red Hat Ansible Tower 3.3

3.3

RedHat Enterprise Linux Desktop 7.0

7.0

RedHat Enterprise Linux Server 7.0

7.0

RedHat Enterprise Linux Workstation 7.0

7.0

Canonical Ubuntu Linux 12.04 ESM (Extended Security Maintenance)

12.04

Canonical Ubuntu Linux 14.04 LTS (Long-Term Support)

14.04

Canonical Ubuntu Linux 16.04 LTS (Long-Term Support)

16.04

Canonical Ubuntu Linux 18.04 LTS Edition

18.04

Fedora 28

28

Fedora 29

29

Fedora 30

30

References

openSUSE-SU-2020:0086

1042001

Third Party Advisory, VDB Entry

RHBA-2019:0327

Third Party Advisory

RHSA-2018:3041

Third Party Advisory

RHSA-2018:3505

Third Party Advisory

RHSA-2019:1260

RHSA-2019:3725

https://bugs.python.org/issue32981

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061

Issue Tracking

https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1

Vendor Advisory

https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1

Vendor Advisory

[debian-lts-announce] 20180925 [SECURITY] [DLA 1519-1] python2.7 security update

Mailing List, Third Party Advisory

[debian-lts-announce] 20180926 [SECURITY] [DLA 1520-1] python3.4 security update

Mailing List, Third Party Advisory

FEDORA-2019-51f1e08207

Mailing List, Third Party Advisory

FEDORA-2019-cf725dd20b

Mailing List, Third Party Advisory

FEDORA-2019-6e1938a3c5

Mailing List, Third Party Advisory

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03951en_us

USN-3817-1

Third Party Advisory

USN-3817-2

Third Party Advisory

DSA-4306

Third Party Advisory

DSA-4307

Third Party Advisory

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