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CVE-2019-12439

Good to know:

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Date: May 29, 2019

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.

Language: C

Severity Score

Related Resources (13)

https://bugzilla.redhat.com/show_bug.cgi?id=1695963
https://nvd.nist.gov/vuln/detail/CVE-2019-12439
https://github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958ed50e
https://github.com/projectatomic/bubblewrap/issues/304
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00015.html
https://security.gentoo.org/glsa/202006-18
https://security-tracker.debian.org/tracker/CVE-2019-12439
https://access.redhat.com/errata/RHSA-2019:1833
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00028.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12439
https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.3
https://access.redhat.com/security/cve/CVE-2019-12439
https://www.mend.io/vulnerability-database/CVE-2019-12439

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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