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CVE-2019-13012

Date: June 28, 2019

The keyfile settings backend in GNOME GLib (aka glib2.0) before 2.60.0 creates directories using g_file_make_directory_with_parents (kfsb->dir, NULL, NULL) and files using g_file_replace_contents (kfsb->file, contents, length, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, NULL, NULL, NULL). Consequently, it does not properly restrict directory (and file) permissions. Instead, for directories, 0777 permissions are used; for files, default file permissions are used. This is similar to CVE-2019-12450.

Language: C

Severity Score

Related Resources (19)

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://access.redhat.com/security/cve/CVE-2019-13012
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931234#12
https://nvd.nist.gov/vuln/detail/CVE-2019-13012
https://lists.debian.org/debian-lts-announce/2019/07/msg00029.html
https://gitlab.gnome.org/GNOME/glib/commit/5e4da714f00f6bfb2ccd6d73d61329c6f3a08429
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-13012
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://security-tracker.debian.org/tracker/CVE-2019-13012
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://usn.ubuntu.com/4049-2/
https://usn.ubuntu.com/4049-1/
https://gitlab.gnome.org/GNOME/glib/issues/1658
https://lists.debian.org/debian-lts-announce/2019/08/msg00004.html
https://security.netapp.com/advisory/ntap-20190806-0003/
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00022.html
https://gitlab.gnome.org/GNOME/glib/merge_requests/450
https://www.mend.io/vulnerability-database/CVE-2019-13012

Severity Score

Weakness Type (CWE)

Permission Issues

CWE-275

Incorrect Permission Assignment for Critical Resource

CWE-732

CVSS v3.1

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

CVSS v2

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

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