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Category:   Application (Generic)  >   Python Vendors:   Python.org
(Ubuntu Issues Fix) Python Backtracking Errors Let Remote Authenticated Users Cause the Target System to Crash
SecurityTracker Alert ID:  1042094
SecurityTracker URL:  http://securitytracker.com/id/1042094
CVE Reference:   CVE-2018-1060, CVE-2018-1061   (Links to External Site)
Date:  Nov 13 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Two vulnerabilities were reported in Python. A remote authenticated user can cause the target system to crash.

A remote authenticated user can trigger a denial of service condition via backtracking in 'difflib.IS_LINE_JUNK' method in difflib [CVE-2018-1061].

A remote authenticated user can trigger a denial of service condition via backtracking in 'apop()' method in pop3lib [CVE-2018-1060].

Impact:   A remote authenticated user can cause the target system to crash.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://usn.ubuntu.com/usn/usn-3817-1

Vendor URL:  usn.ubuntu.com/usn/usn-3817-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.04 LTS, 16.04 LTS, 18.04 LTS

Message History:   This archive entry is a follow-up to the message listed below.
Oct 30 2018 Python Backtracking Errors Let Remote Authenticated Users Cause the Target System to Crash



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