CVE-2017-18207

Python 3.5 and 2 others: The Wave_read._read_fmt_chunk function in Lib/wave.py in Python through 3.6.4 does not ensure a nonzero…

CVE-2017-18207 is fixed in Python 3.6 on 1 platform by Python 3.6 3.6.5 (version 3.6.5), released March 28, 2018. 2 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0132
71st percentile

The Wave_read._read_fmt_chunk function in Lib/wave.py in Python through 3.6.4 does not ensure a nonzero channel value, which allows attackers to cause a denial of service (divide-by-zero and exception) via a crafted wav format audio file. NOTE: the vendor disputes this issue because Python applications "need to be prepared to handle a wide variety of exceptions.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Python 3.6 3.6.5 Python 3.6 3.6.5 Mar 28, 2018
No fix yet
Python 2 (Windows apps) No fix yet no-fix n/a
Python 3.5 (Windows apps) No fix yet no-fix n/a