cifs-utils: CVE-2020-14342: Shell command injection vulnerability in mount.cifs

Debian Bug report logs - #970172
cifs-utils: CVE-2020-14342: Shell command injection vulnerability in mount.cifs

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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: cifs-utils: CVE-2020-14342: Shell command injection vulnerability in mount.cifs

Date: Sat, 12 Sep 2020 15:27:40 +0200

Source: cifs-utils
Severity: important
Tags: security upstream
Forwarded: https://bugzilla.samba.org/show_bug.cgi?id=14442
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 2:6.8-2
Control: found -1 2:6.9-1

Hi,

The following vulnerability was published for cifs-utils.

CVE-2020-14342[0]:
| It was found that cifs-utils' mount.cifs was invoking a shell when
| requesting the Samba password, which could be used to inject arbitrary
| commands. An attacker able to invoke mount.cifs with special
| permission, such as via sudo rules, could use this flaw to escalate
| their privileges.


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-2020-14342
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14342
[1] https://bugzilla.samba.org/show_bug.cgi?id=14442
[2] https://lists.samba.org/archive/samba-technical/2020-September/135747.html
[3] https://git.samba.org/cifs-utils.git/?p=cifs-utils.git;a=commit;h=48a654e2e763fce24c22e1b9c695b42804bbdd4a]

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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