Medium severity · published Mar 1, 2018
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…
6.5
CVSS
1.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PY
Python · Python
through 3.6.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-18207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-18207
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
Issue Tracking
https://bugs.python.org/issue32056
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