5.5
MEDIUM
CVE-2021-27347
Irzip LZMA Decompression Use-After-Free Vulnerability
Description

Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.

INFO

Published Date :

June 10, 2021, 4:15 p.m.

Last Modified :

April 27, 2022, 5:12 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2021-27347 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-27347 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.

ID Vendor Product Action
1 Debian debian_linux
1 Long_range_zip_project long_range_zip
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-2021-27347.

URL Resource
https://github.com/ckolivas/lrzip/issues/165 Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html Mailing List 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).

None

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 22, 2024, 11:30 a.m. This repo has been linked 52 different CVEs too.

Automatic monitor github cve using Github Actions

Python

Updated: 2 months ago
1 stars 56 fork 56 watcher
Born at : April 7, 2021, 11:16 a.m. This repo has been linked 1007 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-27347 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-27347 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
  • Modified Analysis by [email protected]

    Apr. 27, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/ckolivas/lrzip/issues/165 Exploit, Third Party Advisory https://github.com/ckolivas/lrzip/issues/165 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:0.631:*:*:*:*:*:*:* OR *cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:*:*:*:*:*:*:*
    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. 17, 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://github.com/ckolivas/lrzip/issues/165 No Types Assigned https://github.com/ckolivas/lrzip/issues/165 Exploit, Third Party Advisory
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:a:irzip_project:irzip:0.631:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-27347 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-2021-27347 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.23747

percentile

CVSS31 - Vulnerability Scoring System
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