THREATPORT/VULNERABILITY/CVE-2019-13012
HIGH SEVERITY

CVE-2019-13012

Glib vulnerability

CVSS
7.5
EPSS
3.2%
EPSS pct
87th
Exploited
No known
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.
Affected vendor
Gnome
Affected product
Glib
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness type (CWE)
  • CWE-732 — Incorrect Permission Assignment for Critical Resource
Published
2019-06-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2019-13012

  • Confirm whether Gnome Glib is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-13012.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-13012

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