CVE-2018-1061

high

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.

References

Advisories
More

https://www.debian.org/security/2018/dsa-4307

https://www.debian.org/security/2018/dsa-4306

https://usn.ubuntu.com/3817-2/

https://usn.ubuntu.com/3817-1/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/

https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html

https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html

https://access.redhat.com/errata/RHSA-2019:3725

https://access.redhat.com/errata/RHSA-2019:1260

https://access.redhat.com/errata/RHSA-2018:3505

https://access.redhat.com/errata/RHSA-2018:3041

https://access.redhat.com/errata/RHBA-2019:0327

http://www.securitytracker.com/id/1042001

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html

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

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

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

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

https://bugs.python.org/issue32981

Details

Source: Mitre, NVD

Published: 2018-06-19

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.03707

Detections

Analytics