What is CVE-2017-18207?

CVE-2017-18207 is a medium-severity vulnerability in Python, classified under Divide By Zero. CVSS score: 6.5/10. Published 2018-03-01.

How severe is CVE-2017-18207?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2017-18207 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Python

CVE-2017-18207

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.

EPSS: 0.013 (68.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Python
N/a — versions n/a

Weakness classification (CWE)

CWE-369 — Divide By Zero

Public proof-of-concept exploits

phonito/phonito-vulnerable-container

References

cve@mitre.org (x_refsource_MISC, Issue Tracking, Vendor Advisory)
cve@mitre.org (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2017-18207?: CVE-2017-18207 is a medium-severity vulnerability in Python, classified under Divide By Zero. CVSS score: 6.5/10. Published 2018-03-01.
How severe is CVE-2017-18207?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-18207 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.