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CVE-2018-1061

Published: 19 June 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.

Notes

AuthorNote
mdeslaur
same commits as CVE-2018-1060

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
python3.4
Launchpad, Ubuntu, Debian
eoan Does not exist

focal Does not exist

groovy Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

hirsute Does not exist

impish Does not exist

trusty
Released (3.4.3-1ubuntu1~14.04.7)
upstream Needs triage

xenial Does not exist

mantic Does not exist

Patches:

upstream: https://github.com/python/cpython/commit/942cc04ae44825ea120e3a19a80c9b348b8194d0



python3.5
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

trusty Needed

upstream Needs triage

xenial
Released (3.5.2-2ubuntu0~16.04.5)
mantic Does not exist

Patches:


upstream: https://github.com/python/cpython/commit/937ac1fe069a4dc8471dff205f553d82e724015b


python2.7
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(2.7.15-4ubuntu1)
jammy Not vulnerable
(2.7.15-4ubuntu1)
kinetic Not vulnerable
(2.7.15-4ubuntu1)
lunar Does not exist

artful Ignored
(end of life)
bionic Not vulnerable
(2.7.15~rc1-1)
cosmic Not vulnerable
(2.7.15-4ubuntu1)
disco Not vulnerable
(2.7.15-4ubuntu1)
eoan Not vulnerable
(2.7.15-4ubuntu1)
focal Not vulnerable
(2.7.15-4ubuntu1)
hirsute Not vulnerable
(2.7.15-4ubuntu1)
impish Not vulnerable
(2.7.15-4ubuntu1)
trusty
Released (2.7.6-8ubuntu0.5)
upstream Needs triage

xenial
Released (2.7.12-1ubuntu0~16.04.4)
mantic Does not exist

Patches:
upstream: https://github.com/python/cpython/commit/e052d40cea15f582b50947f7d906b39744dc62a2




python3.6
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

artful Ignored
(end of life)
bionic Not vulnerable
(3.6.6-1~18.04)
cosmic Not vulnerable
(3.6.6-4)
disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Patches:



upstream: https://github.com/python/cpython/commit/c9516754067d71fd7429a25ccfcb2141fc583523

python3.7
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

artful Ignored
(end of life)
bionic Not vulnerable
(3.7.0~b3-1)
cosmic Not vulnerable
(3.7.0-1)
disco Not vulnerable
(3.7.0-1)
eoan Not vulnerable
(3.7.0-1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Patches:




upstream: https://github.com/python/cpython/commit/0902a2d6b2d1d9dbde36aeaaccf1788ceaa97143

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H