CVE-2018-20452
Apache Libxls Ole Read MSAT Body Memory Corruption
Description
The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c.
INFO
Published Date :
Dec. 25, 2018, 5:29 p.m.
Last Modified :
March 30, 2020, 5:15 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-2018-20452.
| URL | Resource |
|---|---|
| https://github.com/evanmiller/libxls/issues/35 | Exploit Third Party Advisory |
| https://security.gentoo.org/glsa/202003-64 |
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-2018-20452 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20452 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 -
CVE Modified by [email protected]
Mar. 30, 2020
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202003-64 [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 11, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/evanmiller/libxls/issues/35 No Types Assigned https://github.com/evanmiller/libxls/issues/35 Exploit, Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:libxls_project:libxls:1.4.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20452 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-2018-20452
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} 0.00%
score
0.56524
percentile