CVE-2021-29510
Apache Pydantic Infinities Validation Denial of Service
Description
Pydantic is a data validation and settings management using Python type hinting. In affected versions passing either `'infinity'`, `'inf'` or `float('inf')` (or their negatives) to `datetime` or `date` fields causes validation to run forever with 100% CPU usage (on one CPU). Pydantic has been patched with fixes available in the following versions: v1.8.2, v1.7.4, v1.6.2. All these versions are available on pypi(https://pypi.org/project/pydantic/#history), and will be available on conda-forge(https://anaconda.org/conda-forge/pydantic) soon. See the changelog(https://pydantic-docs.helpmanual.io/) for details. If you absolutely can't upgrade, you can work around this risk using a validator(https://pydantic-docs.helpmanual.io/usage/validators/) to catch these values. This is not an ideal solution (in particular you'll need a slightly different function for datetimes), instead of a hack like this you should upgrade pydantic. If you are not using v1.8.x, v1.7.x or v1.6.x and are unable to upgrade to a fixed version of pydantic, please create an issue at https://github.com/samuelcolvin/pydantic/issues requesting a back-port, and we will endeavour to release a patch for earlier versions of pydantic.
INFO
Published Date :
May 13, 2021, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:32 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-29510
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2021-29510.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-29510 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29510 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMKAJX4O6IGBBCE32CO2G7PZQCCQSBLV/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2HT266L6Q7H6ICP7DFGXOGBJHNNKMKB/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEFWM7DYKD2ZHE7R5YT5EQWJPV4ZKYRB/ [No types assigned] Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/UMKAJX4O6IGBBCE32CO2G7PZQCCQSBLV/ Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/S2HT266L6Q7H6ICP7DFGXOGBJHNNKMKB/ Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/UEFWM7DYKD2ZHE7R5YT5EQWJPV4ZKYRB/ -
Initial Analysis by [email protected]
May. 25, 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/samuelcolvin/pydantic/commit/7e83fdd2563ffac081db7ecdf1affa65ef38c468 No Types Assigned https://github.com/samuelcolvin/pydantic/commit/7e83fdd2563ffac081db7ecdf1affa65ef38c468 Patch, Third Party Advisory Changed Reference Type https://github.com/samuelcolvin/pydantic/security/advisories/GHSA-5jqp-qgf6-3pvh No Types Assigned https://github.com/samuelcolvin/pydantic/security/advisories/GHSA-5jqp-qgf6-3pvh Mitigation, Patch, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/S2HT266L6Q7H6ICP7DFGXOGBJHNNKMKB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/S2HT266L6Q7H6ICP7DFGXOGBJHNNKMKB/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UEFWM7DYKD2ZHE7R5YT5EQWJPV4ZKYRB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UEFWM7DYKD2ZHE7R5YT5EQWJPV4ZKYRB/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UMKAJX4O6IGBBCE32CO2G7PZQCCQSBLV/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UMKAJX4O6IGBBCE32CO2G7PZQCCQSBLV/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:pydantic_project:pydantic:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.2 *cpe:2.3:a:pydantic_project:pydantic:*:*:*:*:*:*:*:* versions from (including) 1.7 up to (excluding) 1.7.4 *cpe:2.3:a:pydantic_project:pydantic:*:*:*:*:*:*:*:* versions from (including) 1.8 up to (excluding) 1.8.2 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 23, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UEFWM7DYKD2ZHE7R5YT5EQWJPV4ZKYRB/ [No Types Assigned] -
CVE Modified by [email protected]
May. 21, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UMKAJX4O6IGBBCE32CO2G7PZQCCQSBLV/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/S2HT266L6Q7H6ICP7DFGXOGBJHNNKMKB/ [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-2021-29510 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-2021-29510
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.02%
score
0.54828
percentile