CVE-2025-8454
Debian Package devscripts OpenPGP Verification Bypass
Description
It was discovered that uscan, a tool to scan/watch upstream sources for new releases of software, included in devscripts (a collection of scripts to make the life of a Debian Package maintainer easier), skips OpenPGP verification if the upstream source is already downloaded from a previous run even if the verification failed back then.
INFO
Published Date :
Aug. 1, 2025, 6:15 a.m.
Last Modified :
Aug. 6, 2025, 4:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 
Solution
- Ensure OpenPGP verification is performed on every run.
 - Update devscripts package to the latest version.
 
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-2025-8454.
                                        
| URL | Resource | 
|---|---|
| https://bugs.debian.org/1109251 | Issue Tracking Mailing List | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2025-8454 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-2025-8454
            weaknesses.
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-2025-8454 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2025-8454 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.
- 
                            
Initial Analysis by [email protected]
Aug. 06, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:debian:devscripts:2.25.15:*:*:*:*:*:*:* Added Reference Type Debian GNU/Linux: https://bugs.debian.org/1109251 Types: Issue Tracking, Mailing List  - 
                            
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 01, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-347  - 
                            
CVE Modified by [email protected]
Aug. 01, 2025
Action Type Old Value New Value Changed Description It was discovered that uscan, a tool to scan/watch upstream sources for new releases of software, included in devscripts (a collection of scripts to make the life of a Debian Package maintainer easier), skips OpenPGP verification for files already downloaded even if a previous verification did fail. It was discovered that uscan, a tool to scan/watch upstream sources for new releases of software, included in devscripts (a collection of scripts to make the life of a Debian Package maintainer easier), skips OpenPGP verification if the upstream source is already downloaded from a previous run even if the verification failed back then.  - 
                            
New CVE Received by [email protected]
Aug. 01, 2025
Action Type Old Value New Value Added Description It was discovered that uscan, a tool to scan/watch upstream sources for new releases of software, included in devscripts (a collection of scripts to make the life of a Debian Package maintainer easier), skips OpenPGP verification for files already downloaded even if a previous verification did fail. Added Reference https://bugs.debian.org/1109251