CVE-2020-25467
Irzip Null Pointer Dereference Denial of Service
Description
A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to cause a denial of service (DOS) via a crafted compressed file.
INFO
Published Date :
June 10, 2021, 4:15 p.m.
Last Modified :
Nov. 21, 2024, 5:18 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2020-25467
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the lrzip package.
- Upgrade to version 0.631-1+deb9u2 or later for Debian 9.
- Upgrade to version 0.641-1+deb11u1 or later for Debian 11.
Public PoC/Exploit Available at Github
CVE-2020-25467 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-2020-25467.
| URL | Resource |
|---|---|
| https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/ckolivas/lrzip/issues/163 | Exploit Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html | Mailing List Third Party Advisory |
| https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/ckolivas/lrzip/issues/163 | Exploit Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html | Mailing List 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-2020-25467 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-2020-25467
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-2020-25467 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-25467 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://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641 Added Reference https://github.com/ckolivas/lrzip/issues/163 Added Reference https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 27, 2022
Action Type Old Value New Value Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641 Exploit, Third Party Advisory https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/ckolivas/lrzip/issues/163 Exploit, Third Party Advisory https://github.com/ckolivas/lrzip/issues/163 Exploit, Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:irzip_project:irzip:0.621:*:*:*:*:*:*:* OR *cpe:2.3:a:long_range_zip_project:long_range_zip:0.621:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 13, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 21, 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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/lrzip/+bug/1893641 Exploit, Third Party Advisory Changed Reference Type https://github.com/ckolivas/lrzip/issues/163 No Types Assigned https://github.com/ckolivas/lrzip/issues/163 Exploit, Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:irzip_project:irzip:0.621:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 5.5
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.
0.10 }} -0.03%
score
0.29644
percentile