Vulnerability Details : CVE-2018-20106
In yast2-printer up to and including version 4.0.2 the SMB printer settings don't escape characters in passwords properly. If a password with backticks or simliar characters is supplied this allows for executing code as root. This requires tricking root to enter such a password in yast.
Vulnerability category: Input validation
Products affected by CVE-2018-20106
- cpe:2.3:a:opensuse:yast2-printer:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20106
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20106
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H |
0.6
|
5.9
|
SUSE | |
|
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2018-20106
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
-
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: meissner@suse.de (Secondary)
References for CVE-2018-20106
-
https://bugzilla.suse.com/show_bug.cgi?id=1114853
Bug 1114853 – VUL-1: CVE-2018-20106: yast2-printer: SMB printer settings test fails if the password includes a backtickExploit;Issue Tracking;Third Party Advisory
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