8.8
HIGH
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 :

Nov. 21, 2024, 4:01 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2018-20452 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 Libxls_project libxls
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
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:*:*:*:*:*:*:*
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.
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

CVSS30 - Vulnerability Scoring System
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