UbuntuUSN-3934-1PolicyKit vulnerability
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
6.5 Medium
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
32.0%
Releases
- Ubuntu 18.10
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Packages
- policykit-1 - framework for managing administrative policies and privileges
Details
It was discovered that PolicyKit incorrectly relied on the fork() system
call in the Linux kernel being atomic. A local attacker could possibly use
this issue to gain access to services that have cached authorizations.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 18.10 | noarch | libpolkit-backend-1-0 | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | gir1.2-polkit-1.0 | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-agent-1-0 | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-agent-1-0-dbgsym | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-agent-1-dev | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-backend-1-0-dbgsym | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-backend-1-dev | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-gobject-1-0 | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-gobject-1-0-dbgsym | < 0.105-21ubuntu0.4 | UNKNOWN |
| Ubuntu | 18.10 | noarch | libpolkit-gobject-1-dev | < 0.105-21ubuntu0.4 | UNKNOWN |
References
Related
6.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
6.5 Medium
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
32.0%