GHSA-79f6-p65j-3m2m

Suggest an improvement
Source
https://github.com/advisories/GHSA-79f6-p65j-3m2m
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/02/GHSA-79f6-p65j-3m2m/GHSA-79f6-p65j-3m2m.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-79f6-p65j-3m2m
Aliases
Published
2025-02-05T21:14:47Z
Modified
2025-02-05T22:01:52.450334Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • 7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N CVSS Calculator
Summary
MobSF Local Privilege Escalation
Details

Product: Mobile Security Framework (MobSF) Version: 4.3.0 CWE-ID: CWE-269: Improper Privilege Management CVSS vector v.4.0: 7.1 (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N) CVSS vector v.3.1: 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) Description: MobSF has a functionality of dividing users by roles. This functionality is not efficient, because any registered user can get API Token with all privileges. Impact: Information Disclosure Vulnerable component: Code output component (/source_code) Exploitation conditions: authorized user Mitigation: Remove token output in the returned js-script Researcher: Egor Filatov (Positive Technologies)

Research

Researcher discovered zero-day vulnerability «Local Privilege Escalation» in Mobile Security Framework (MobSF). To reproduce the vulnerability follow the steps below.

• A user with minimal privileges is required, so the administrator must create a user account

<img width="215" alt="fig1" src="https://github.com/user-attachments/assets/43e02a50-bdd9-48d9-9194-73946fcc56d9" />

Figure 1. Registration

• Go to static analysis of any application

<img width="1207" alt="fig2" src="https://github.com/user-attachments/assets/9ed141a7-a667-4a96-81fd-d81127874104" />

Figure 2. Static analysis

• Go to the code review of the selected application and get a token with all privileges in the response

<img width="1400" alt="fig3" src="https://github.com/user-attachments/assets/bf8b704b-9067-4861-a7d3-05ec119d9a3f" />

Figure 3. Token receiving

• This token can be used to retrieve dynamic analysis information that has not been accessed before.

fig4

Figure 4. No access demonstration

<img width="1412" alt="fig5" src="https://github.com/user-attachments/assets/dc8f639f-36b0-47d3-807d-58ae551fcbfc" />

Figure 5. Token usage

As a result, the user is able to escalate the privileges.

Please, assign all credits to: Egor Filatov (Positive Technologies)

Database specific 
{
    "nvd_published_at": "2025-02-05T19:15:46Z",
    "cwe_ids": [
        "CWE-269"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2025-02-05T21:14:47Z"
}
References

Affected packages

PyPI / mobsf

Package

Name
mobsf
View open source insights on deps.dev
Purl
pkg:pypi/mobsf

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.1

Affected versions

3.*

3.2.6
3.2.7
3.2.8
3.2.9
3.3.3
3.3.5
3.4.0
3.4.3
3.4.6
3.5.0
3.6.0
3.6.9
3.7.6
3.9.7

4.*

4.1.3
4.3.0

Database specific 

{
    "last_known_affected_version_range": "<= 4.3.0"
}