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CVE-2018-1061

Date: June 19, 2018

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.

Language: Python

Severity Score

Related Resources (27)

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/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/
https://www.debian.org/security/2018/dsa-4306
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061
http://www.securitytracker.com/id/1042001
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1
https://access.redhat.com/errata/RHSA-2018:3505
https://www.debian.org/security/2018/dsa-4307
https://security.alpinelinux.org/vuln/CVE-2018-1061
https://security-tracker.debian.org/tracker/CVE-2018-1061
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
https://usn.ubuntu.com/3817-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-1061
https://access.redhat.com/errata/RHBA-2019:0327
https://access.redhat.com/errata/RHSA-2019:3725
https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03951en_us
https://access.redhat.com/security/cve/CVE-2018-1061
https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html
https://bugs.python.org/issue32981
https://access.redhat.com/errata/RHSA-2019:1260
https://nvd.nist.gov/vuln/detail/CVE-2018-1061
https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html
https://access.redhat.com/errata/RHSA-2018:3041
https://usn.ubuntu.com/3817-2/
https://www.mend.io/vulnerability-database/CVE-2018-1061

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Resource Management Errors

CWE-399

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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