5.3
MEDIUM
CVE-2023-20052
ClamAV DMG File Parser XML External Entity Injection
Description

On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.

INFO

Published Date :

March 1, 2023, 8:15 a.m.

Last Modified :

Nov. 21, 2024, 7:40 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-20052 has a 3 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-2023-20052 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 Cisco secure_endpoint
2 Cisco secure_endpoint_private_cloud
1 Clamav clamav
1 Stormshield stormshield_network_security
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-2023-20052.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-xxe-TcSZduhN Vendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-xxe-TcSZduhN Vendor 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).

CVE-2023-20052 information leak vulnerability in the DMG file parser of ClamAV

Updated: 1 year, 3 months ago
0 stars 0 fork 0 watcher
Born at : July 19, 2023, 7:39 a.m. This repo has been linked 1 different CVEs too.

CVE-2023-20052, information leak vulnerability in the DMG file parser of ClamAV

Dockerfile

Updated: 4 months, 1 week ago
27 stars 4 fork 4 watcher
Born at : May 8, 2023, 6:34 p.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 1 year, 10 months ago
0 stars 1 fork 1 watcher
Born at : Feb. 20, 2023, 10:55 a.m. This repo has been linked 2 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-2023-20052 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-20052 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://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-xxe-TcSZduhN
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 25, 2024

    Action Type Old Value New Value
    Removed Reference Cisco Systems, Inc. https://security.gentoo.org/glsa/202310-01
    Added CWE Cisco Systems, Inc. CWE-611
  • CVE Modified by [email protected]

    Oct. 01, 2023

    Action Type Old Value New Value
    Changed Description On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process. On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.
    Added Reference https://security.gentoo.org/glsa/202310-01 [No Types Assigned]
  • Reanalysis by [email protected]

    Jul. 19, 2023

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.7.35 *cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* versions from (including) 3.8.0 up to (excluding) 3.11.23 *cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* versions from (including) 4.3.0 up to (excluding) 4.3.17 *cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* versions from (including) 4.4.0 up to (excluding) 4.6.4
  • Initial Analysis by [email protected]

    Mar. 13, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-xxe-TcSZduhN No Types Assigned https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-xxe-TcSZduhN Vendor Advisory
    Added CWE NIST CWE-776
    Added CPE Configuration OR *cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* versions up to (excluding) 1.20.2 *cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* versions up to (excluding) 1.21.1 *cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:* versions up to (excluding) 7.5.9 *cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:* versions from (including) 8.0.1.21160 up to (excluding) 8.1.5 *cpe:2.3:a:cisco:secure_endpoint_private_cloud:*:*:*:*:*:*:*:* versions up to (excluding) 3.6.0
    Added CPE Configuration OR *cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* versions up to (including) 0.103.7 *cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* versions from (including) 0.104.0 up to (including) 0.105.1 *cpe:2.3:a:clamav:clamav:1.0.0:-:*:*:*:*:*:* *cpe:2.3:a:clamav:clamav:1.0.0:rc:*:*:*:*:*:* *cpe:2.3:a:clamav:clamav:1.0.0:rc2:*:*:*:*:*:*
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-2023-20052 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-2023-20052 weaknesses.

Exploit Prediction

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

0.09 }} 0.00%

score

0.37228

percentile

CVSS31 - Vulnerability Scoring System
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