Source: impacket
Version: 0.9.22-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for impacket.

CVE-2021-31800[0]:
| Multiple path traversal vulnerabilities exist in smbserver.py in
| Impacket through 0.9.22. An attacker that connects to a running
| smbserver instance can list and write to arbitrary files via ../
| directory traversal. This could potentially be abused to achieve
| arbitrary code execution by replacing /etc/shadow or an SSH authorized
| key.


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-2021-31800
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31800
[1] 
https://github.com/SecureAuthCorp/impacket/commit/49c643bf66620646884ed141c94e5fdd85bcdd2f

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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