jupyter-server: CVE-2023-49080: Server errors include tracebacks with path information

Debian Bug report logs - #1057454
jupyter-server: CVE-2023-49080: Server errors include tracebacks with path information

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: jupyter-server: CVE-2023-49080: Server errors include tracebacks with path information

Date: Tue, 05 Dec 2023 11:58:24 +0100

Source: jupyter-server
Version: 1.23.3-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for jupyter-server.

CVE-2023-49080[0]:
| The Jupyter Server provides the backend (i.e. the core services,
| APIs, and REST endpoints) for Jupyter web applications like Jupyter
| notebook, JupyterLab, and Voila. Unhandled errors in API requests
| coming from an authenticated user include traceback information,
| which can include path information. There is no known mechanism by
| which to trigger these errors without authentication, so the paths
| revealed are not considered particularly sensitive, given that the
| requesting user has arbitrary execution permissions already in the
| same environment. A fix has been introduced in commit `0056c3aa52`
| which no longer includes traceback information in JSON error
| responses. For compatibility, the traceback field is present, but
| always empty. This commit has been included in version 2.11.2. Users
| are advised to upgrade. There are no known workarounds for this
| vulnerability.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2023-49080
    https://www.cve.org/CVERecord?id=CVE-2023-49080
[1] https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-h56g-gq9v-vc8r
[2] https://github.com/jupyter-server/jupyter_server/commit/0056c3aa52cbb28b263a7a609ae5f17618b36652

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

Message #10 received at 1057454@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: 1057454@bugs.debian.org

Subject: Re: Bug#1057454: jupyter-server: CVE-2023-49080: Server errors include tracebacks with path information

Date: Tue, 5 Dec 2023 12:15:41 +0100

Control: severity -1 normal

On Tue, Dec 05, 2023 at 11:58:24AM +0100, Salvatore Bonaccorso wrote:
> Source: jupyter-server
> Version: 1.23.3-1
> Severity: important
> Tags: security upstream
> X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
> 
> Hi,
> 
> The following vulnerability was published for jupyter-server.
> 
> CVE-2023-49080[0]:
> | The Jupyter Server provides the backend (i.e. the core services,
> | APIs, and REST endpoints) for Jupyter web applications like Jupyter
> | notebook, JupyterLab, and Voila. Unhandled errors in API requests
> | coming from an authenticated user include traceback information,
> | which can include path information. There is no known mechanism by
> | which to trigger these errors without authentication, so the paths
> | revealed are not considered particularly sensitive, given that the
> | requesting user has arbitrary execution permissions already in the
> | same environment. A fix has been introduced in commit `0056c3aa52`
> | which no longer includes traceback information in JSON error
> | responses. For compatibility, the traceback field is present, but
> | always empty. This commit has been included in version 2.11.2. Users
> | are advised to upgrade. There are no known workarounds for this
> | vulnerability.

As disclosure of path information has not really a security impact in
Debian, downgrading the severity further.

Regards,
Salvatore

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