CVE-2021-36080
LibreDWG Double-Free Vulnerability
Description
GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bit_chain_free (called from dwg_encode_MTEXT and dwg_encode_add_object).
INFO
Published Date :
July 1, 2021, 3:15 a.m.
Last Modified :
July 8, 2021, 3:54 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
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-2021-36080.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724 | Exploit Issue Tracking Patch Third Party Advisory |
| https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342 | Patch Third Party Advisory |
| https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-36080 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-36080 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 -
Initial Analysis by [email protected]
Jul. 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:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724 Exploit, Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml No Types Assigned https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml Third Party Advisory Changed Reference Type https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342 No Types Assigned https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342 Patch, Third Party Advisory Added CWE NIST CWE-415 Added CPE Configuration OR *cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:* versions from (including) 0.12.3.4163 up to (including) 0.12.3.4191
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-36080 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-2021-36080
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.42 }} 0.07%
score
0.74624
percentile