Vulnerability Details : 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. An attacker able to invoke mount.cifs with special permission, such as via sudo rules, could use this flaw to escalate their privileges.
Exploit prediction scoring system (EPSS) score for CVE-2020-14342
Probability of exploitation activity in the next 30 days: 0.16%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 52 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-14342
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST |
|
4.4
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
1.8
|
2.5
|
Red Hat, Inc. |
|
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2020-14342
-
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.Assigned by: secalert@redhat.com (Secondary)
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-14342
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14342
1860884 – (CVE-2020-14342) CVE-2020-14342 cifs-utils: shell command injection in mount.cifsIssue Tracking;Patch;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JBNFSTJOQWVPFZAUJNNMAPY45PW5RTTE/
[SECURITY] Fedora 32 Update: cifs-utils-6.11-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DUMRICFXJVCBBOSKZSKT3HFVQM6VPJU3/
[SECURITY] Fedora 33 Update: cifs-utils-6.11-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.samba.org/archive/samba-technical/2020-September/135747.html
Exploit;Mailing List;Vendor Advisory
-
https://security.gentoo.org/glsa/202009-16
LinuxCIFS: Shell injection (GLSA 202009-16) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00109.html
[security-announce] openSUSE-SU-2020:1579-1: moderate: Security update fMailing List;Third Party Advisory
Products affected by CVE-2020-14342
- cpe:2.3:a:samba:cifs-utils:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*