CVE-2021-32772 : Poddycast is a podcast app made with Electron. Prior to version 0.8.1, an attack

Poddycast is a podcast app made with Electron. Prior to version 0.8.1, an attacker can create a podcast or episode with malicious characters and execute commands on the client machine. The application does not clean the HTML characters of the podcast information obtained from the Feed, which allows the injection of HTML and JS code (cross-site scripting). Being an application made in electron, cross-site scripting can be scaled to remote code execution, making it possible to execute commands on the machine where the application is running. The vulnerability is patched in Poddycast version 0.8.1.

Published 2021-08-03 15:15:09

Updated 2022-04-25 17:25:25

Source GitHub, Inc.

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)Execute code

Products affected by CVE-2021-32772

Electronjs » Poddycast » Version: 0.8.0
cpe:2.3:a:electronjs:poddycast:0.8.0:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-32772

EPSS FAQ

0.87%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 74 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-32772

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	GitHub, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-32772

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: security-advisories@github.com (Secondary)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-32772

https://github.com/MrChuckomo/poddycast/blob/8d31daa5cee04a389ec35f974959ea3fe4638be9/app/js/helper/helper_entries.js#L80

poddycast/helper_entries.js at 8d31daa5cee04a389ec35f974959ea3fe4638be9 · MrChuckomo/poddycast · GitHub
Third Party Advisory
https://github.com/MrChuckomo/poddycast/blob/8d31daa5cee04a389ec35f974959ea3fe4638be9/app/js/favorite.js#L4-L14

poddycast/favorite.js at 8d31daa5cee04a389ec35f974959ea3fe4638be9 · MrChuckomo/poddycast · GitHub
Third Party Advisory
https://github.com/MrChuckomo/poddycast/blob/8d31daa5cee04a389ec35f974959ea3fe4638be9/app/js/feed.js#L285

poddycast/feed.js at 8d31daa5cee04a389ec35f974959ea3fe4638be9 · MrChuckomo/poddycast · GitHub
Third Party Advisory
https://github.com/MrChuckomo/poddycast/security/advisories/GHSA-wjmh-9fj2-rqh6

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in helper_entries · Advisory · MrChuckomo/poddycast · GitHub
Third Party Advisory

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Vulnerability Details : CVE-2021-32772

Products affected by CVE-2021-32772

Exploit prediction scoring system (EPSS) score for CVE-2021-32772

CVSS scores for CVE-2021-32772

CWE ids for CVE-2021-32772

References for CVE-2021-32772