CVE-2021-28676
Pillow Infinite Loop Vulnerability
Description
An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load.
INFO
Published Date :
June 2, 2021, 4:15 p.m.
Last Modified :
Dec. 22, 2023, 3:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-28676 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-28676.
| URL | Resource |
|---|---|
| https://github.com/python-pillow/Pillow/commit/bb6c11fb889e6c11b0ee122b828132ee763b5856 | Patch |
| https://github.com/python-pillow/Pillow/pull/5377 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ | Mailing List |
| https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28676-fix-fli-dos | Release Notes Third Party Advisory |
| https://security.gentoo.org/glsa/202107-33 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Holds Discord Bot Backup
Python HTML Dockerfile Procfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-28676 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-28676 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 22, 2023
Action Type Old Value New Value Changed Reference Type https://github.com/python-pillow/Pillow/commit/bb6c11fb889e6c11b0ee122b828132ee763b5856 No Types Assigned https://github.com/python-pillow/Pillow/commit/bb6c11fb889e6c11b0ee122b828132ee763b5856 Patch Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ Mailing List -
CVE Modified by [email protected]
Nov. 16, 2023
Action Type Old Value New Value Added Reference MITRE https://github.com/python-pillow/Pillow/commit/bb6c11fb889e6c11b0ee122b828132ee763b5856 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ -
Modified Analysis by [email protected]
Sep. 14, 2021
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202107-33 No Types Assigned https://security.gentoo.org/glsa/202107-33 Third Party Advisory -
CVE Modified by [email protected]
Jul. 22, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 15, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202107-33 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 08, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/python-pillow/Pillow/pull/5377 No Types Assigned https://github.com/python-pillow/Pillow/pull/5377 Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ Mailing List, Third Party Advisory Changed Reference Type https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28676-fix-fli-dos No Types Assigned https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28676-fix-fli-dos Release Notes, Third Party Advisory Added CWE NIST CWE-835 Added CPE Configuration OR *cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* versions up to (excluding) 8.2.0 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 03, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-28676 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-28676
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.35 }} 0.04%
score
0.70976
percentile