CVE-2021-21235
Infinite loop in parsing PNG files in
Description
kamadak-exif is an exif parsing library written in pure Rust. In kamadak-exif version 0.5.2, there is an infinite loop in parsing crafted PNG files. Specifically, reader::read_from_container can cause an infinite loop when a crafted PNG file is given. This is fixed in version 0.5.3. No workaround is available. Applications that do not pass files with the PNG signature to Reader::read_from_container are not affected.
INFO
Published Date :
Jan. 6, 2021, 2:15 a.m.
Last Modified :
Nov. 21, 2024, 5:47 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update kamadak-exif to version 0.5.3.
Public PoC/Exploit Available at Github
CVE-2021-21235 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-2021-21235.
| URL | Resource |
|---|---|
| https://crates.io/crates/kamadak-exif | Product Third Party Advisory |
| https://github.com/kamadak/exif-rs/commit/f21df24616ea611c5d5d0e0e2f8042eb74d5ff48 | Patch Third Party Advisory |
| https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2 | Third Party Advisory |
| https://crates.io/crates/kamadak-exif | Product Third Party Advisory |
| https://github.com/kamadak/exif-rs/commit/f21df24616ea611c5d5d0e0e2f8042eb74d5ff48 | Patch Third Party Advisory |
| https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-21235 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-2021-21235
weaknesses.
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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-21235 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-21235 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://crates.io/crates/kamadak-exif Added Reference https://github.com/kamadak/exif-rs/commit/f21df24616ea611c5d5d0e0e2f8042eb74d5ff48 Added Reference https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Oct. 19, 2022
Action Type Old Value New Value Added CWE NIST CWE-835 -
Initial Analysis by [email protected]
Jan. 08, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://crates.io/crates/kamadak-exif No Types Assigned https://crates.io/crates/kamadak-exif Product, Third Party Advisory Changed Reference Type https://github.com/kamadak/exif-rs/commit/f21df24616ea611c5d5d0e0e2f8042eb74d5ff48 No Types Assigned https://github.com/kamadak/exif-rs/commit/f21df24616ea611c5d5d0e0e2f8042eb74d5ff48 Patch, Third Party Advisory Changed Reference Type https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2 No Types Assigned https://github.com/kamadak/exif-rs/security/advisories/GHSA-px9g-8hgv-jvg2 Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:kamadak-exif_project:kamadak-exif:0.5.2:*:*:*:*:rust:*:*
Vulnerability Scoring Details
Base CVSS Score: 6.5
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.52 }} -1.11%
score
0.64364
percentile