CVE-2021-29482
gzip Go Looped Read Uvarint
Description
xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.
INFO
Published Date :
April 28, 2021, 7:15 p.m.
Last Modified :
May 14, 2021, 7:56 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-29482 has a 2 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-2021-29482.
| URL | Resource |
|---|---|
| https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b | Patch Third Party Advisory |
| https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27 | 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).
supplychain security
supply-chain golang go-mod
Go Dockerfile
oshka is a tool for extracting nested CI/CD supply chains and executing commands.
github-actions security supply-chain
Makefile Go Dockerfile Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-29482 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29482 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 -
Reanalysis by [email protected]
May. 14, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:xz_project:xz:*:*:*:*:*:*:*:* versions up to (excluding) 0.5.8 OR *cpe:2.3:a:xz_project:xz:*:*:*:*:*:go:*:* versions up to (excluding) 0.5.8 -
Initial Analysis by [email protected]
May. 07, 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/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b No Types Assigned https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b Patch, Third Party Advisory Changed Reference Type https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27 No Types Assigned https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27 Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:xz_project:xz:*:*:*:*:*:*:*:* versions up to (excluding) 0.5.8
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-29482 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-2021-29482
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.42527
percentile