Vulnerability identifier: #VU12282
Vulnerability risk: Medium
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Python
Universal components / Libraries /
Scripting languages
Vendor: Python.org
Description
The vulnerability allows a remote attacker to cause DoS condition on he target system.
The weakness exists due to the way catastrophic backtracking was implemented in python's difflib.IS_LINE_JUNK method difflib. A remote attacker can cause the service to crash.
Mitigation
Update to version 3.6.5.
Vulnerable software versions
Python: 3.6 - 3.6.4
External links
http://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-final
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.