High severity · published Sep 9, 2020
CVE-2020-14342
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
7.0
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CI
Cifs-utils · Samba
5.6 through 6.10 · source: NVD
FE
Fedora · Fedoraproject
32; 33 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14342
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14342
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00109.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14342
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUMRICFXJVCBBOSKZSKT3HFVQM6VPJU3/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBNFSTJOQWVPFZAUJNNMAPY45PW5RTTE/
Exploit
https://lists.samba.org/archive/samba-technical/2020-September/135747.html
Third Party Advisory
https://security.gentoo.org/glsa/202009-16
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