CVE-2019-12439

bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.3	Release Notes Third Party Advisory
https://github.com/projectatomic/bubblewrap/issues/304	Third Party Advisory
https://github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958ed50e	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1695963	Issue Tracking Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00028.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00015.html
https://access.redhat.com/errata/RHSA-2019:1833
https://security.gentoo.org/glsa/202006-18

Configurations

Configuration 1 (hide)

cpe:2.3:a:projectatomic:bubblewrap:*:*:*:*:*:*:*:*

Information

Published : 2019-05-29 08:29

Updated : 2020-06-15 11:15

NVD link : CVE-2019-12439

Mitre link : CVE-2019-12439

JSON object : View

CWE

CWE-20

Improper Input Validation

Products Affected

projectatomic

bubblewrap

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7.8 /10