CVE-2018-1061 — Improper Input Validation in Python

CWE-20 — Improper Input Validation16 documents8 sources
Severity
7.5HIGHNVD
CNA6.5
EPSS
1.5%
top 19.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
PythonCanonical Ubuntu LinuxDebian Linux+5 more
Timeline
PublishedJun 19
Latest updateJul 11

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶NVDpython/python3.0 — 3.4.9+4

Also affects: Debian Linux 8.0, 9.0, Fedora 28, 29, 30, Ubuntu Linux 12.04, 14.04, 16.04, 18.04

🔴Vulnerability Details

4
OSV
python3.5, python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12 vulnerabilities↗2024-07-11
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GHSA
GHSA-gf62-w85x-fjpv: python before versions 2↗2022-05-13
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CVEList
CVE-2018-1061: python before versions 2↗2018-06-19
▶
OSV
CVE-2018-1061: python before versions 2↗2018-06-19
▶

📋Vendor Advisories

5
Ubuntu
Python vulnerabilities↗2024-07-11
▶
Ubuntu
Python vulnerabilities↗2018-11-15
▶
Ubuntu
Python vulnerabilities↗2018-11-13
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Red Hat
python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib↗2018-03-14
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Debian
CVE-2018-1061: python2.7 - python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable...↗2018
▶

💬Community

6
Bugzilla
CVE-2018-1060 CVE-2018-1061 python34: various flaws [fedora-all]↗2018-04-04
▶
Bugzilla
CVE-2018-1060 CVE-2018-1061 python26: various flaws [fedora-all]↗2018-04-04
▶
Bugzilla
CVE-2018-1060 CVE-2018-1061 python33: various flaws [fedora-all]↗2018-04-04
▶
Bugzilla
CVE-2018-1060 CVE-2018-1061 python3: various flaws [fedora-all]↗2018-04-04
▶
Bugzilla
CVE-2018-1060 CVE-2018-1061 python35: various flaws [fedora-all]↗2018-04-04
▶
CVE-2018-1061 — Improper Input Validation in Python | cvebase