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
| Author | Note |
|---|---|
| mdeslaur | same commits as CVE-2018-1060 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
python2.7 Launchpad, Ubuntu, Debian |
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)
|
|
| groovy |
Not vulnerable
(2.7.15-4ubuntu1)
|
|
| hirsute |
Not vulnerable
(2.7.15-4ubuntu1)
|
|
| impish |
Not vulnerable
(2.7.15-4ubuntu1)
|
|
| jammy |
Not vulnerable
(2.7.15-4ubuntu1)
|
|
| kinetic |
Not vulnerable
(2.7.15-4ubuntu1)
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Released
(2.7.6-8ubuntu0.5)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2.7.12-1ubuntu0~16.04.4)
|
|
|
Patches: upstream: https://github.com/python/cpython/commit/e052d40cea15f582b50947f7d906b39744dc62a2 |
||
|
python3.4 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Released
(3.4.3-1ubuntu1~14.04.7)
|
|
| upstream |
Needs triage
|
|
| xenial |
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
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Released
(3.5.2-2ubuntu0~16.04.4~14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Needs triage
|
|
| xenial |
Released
(3.5.2-2ubuntu0~16.04.5)
|
|
|
Patches: upstream: https://github.com/python/cpython/commit/937ac1fe069a4dc8471dff205f553d82e724015b |
||
|
python3.6 Launchpad, Ubuntu, Debian |
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
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
Patches: upstream: https://github.com/python/cpython/commit/c9516754067d71fd7429a25ccfcb2141fc583523 |
||
|
python3.7 Launchpad, Ubuntu, Debian |
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
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
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 |