CVE-2018-20106: opensuse yast2-printer OS Command Injection
CVSS: 9.3v2.0HighModified
Published 15-03-2019Last modified 16-09-2024
Vulnerability summary
CVE-2018-20106 is a high (CVSS 9.3) OS Command Injection vulnerability in opensuse yast2-printer. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.8% of scored vulnerabilities.
CVSS score
9.3/10
010
High · v2.0 (NVD)EPSS score
1.02%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-03-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:HSources2 sources · 6.5–8.1
- NVDNIST8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
High 9.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
1.02%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.02% on 18-09-2026
18-09-202618-10-2026
EPSS score1.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')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.
- CWE-20Improper Input ValidationThe 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.
Affected systems
Opensuse1 product
- yast2-printer≤ 4.0.2
Suse1 product
- yast2-printer≥ unspecified, ≤ 4.0.2
2 vendors · 2 products
References
1 links- bugzilla.suse.com/show_bug.cgi?id=1114853X Refsource CONFIRM