Medium severity · published Jun 2, 2021
CVE-2021-28678
An issue was discovered in Pillow before 8.2.0
5.5
CVSS
0.7%
EPSS
No
On KEV
Description
An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
33 · source: NVD
PI
Pillow · Python
before 8.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28678
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28678
Patch
https://github.com/python-pillow/Pillow/pull/5377
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
Release Notes
https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28678-fix-blp-dos
Third Party Advisory
https://security.gentoo.org/glsa/202107-33
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