CVE-2020-22916
XZ Denial of Service Vulnerability
Description
An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase.
INFO
Published Date :
Aug. 22, 2023, 7:16 p.m.
Last Modified :
Aug. 4, 2024, 3:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-22916 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-2020-22916.
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).
Got a bogus CVE someone got for a non-vuln? Please share here!
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-22916 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-22916 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]
Aug. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 18, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase. An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase. -
CVE Modified by [email protected]
Sep. 18, 2023
Action Type Old Value New Value Changed Description An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the software maintainers are unable to reproduce this as of 2023-09-12 because the example crafted file is temporarily offline. ** DISPUTED ** An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the vendor disputes the claims of "endless output" and "denial of service" because decompression of the 17,486 bytes always results in 114,881,179 bytes, which is often a reasonable size increase. Added Reference http://web.archive.org/web/20230918084612/https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability [No Types Assigned] -
CVE Modified by [email protected]
Sep. 12, 2023
Action Type Old Value New Value Changed Description An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of crafted file. An issue discovered in XZ 5.2.5 allows attackers to cause a denial of service via decompression of a crafted file. NOTE: the software maintainers are unable to reproduce this as of 2023-09-12 because the example crafted file is temporarily offline. Added Reference https://github.com/tukaani-project/xz/issues/61 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2234987 [No Types Assigned] Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1214590 [No Types Assigned] Added Reference https://security-tracker.debian.org/tracker/CVE-2020-22916 [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 25, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability No Types Assigned https://github.com/snappyJack/CVE-request-XZ-5.2.5-has-denial-of-service-vulnerability Broken Link Changed Reference Type https://tukaani.org/xz/ No Types Assigned https://tukaani.org/xz/ Product Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:tukaani:xz:5.2.5:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-22916 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-2020-22916
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.01%
score
0.19410
percentile