Veracode Vulnerability DatabaseVERACODE:19504Denial Of Service (DoS)
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
Python is vulnerable to denial of service(DoS) attacks. This is because the implementation of catastrophic backtracking. A remote authenticated user could trigger a denial of service condition via backtracking in ‘difflib.IS_LINE_JUNK’ method in difflib which may leads to a application crash.
References
www.securitytracker.com/id/1042001
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index
access.redhat.com/errata/RHBA-2019:0327
access.redhat.com/errata/RHSA-2018:3041
access.redhat.com/errata/RHSA-2018:3505
access.redhat.com/errata/RHSA-2019:1260
access.redhat.com/security/updates/classification/#moderate
bugs.python.org/issue32981
bugzilla.redhat.com/show_bug.cgi?id=1555314
bugzilla.redhat.com/show_bug.cgi?id=1557460
bugzilla.redhat.com/show_bug.cgi?id=1579432
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061
docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1
docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1
lists.debian.org/debian-lts-announce/2018/09/msg00030.html
lists.debian.org/debian-lts-announce/2018/09/msg00031.html
lists.fedoraproject.org/archives/list/[email protected]/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/
lists.fedoraproject.org/archives/list/[email protected]/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/
lists.fedoraproject.org/archives/list/[email protected]/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03951en_us
usn.ubuntu.com/3817-1/
usn.ubuntu.com/3817-2/
www.debian.org/security/2018/dsa-4306
www.debian.org/security/2018/dsa-4307
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P