CVE-2017-18266
xdg-utils - security update
8.8
HIGH
CVSS 3.1
EPSS 1.0%
Description
The open_envvar function in xdg-open in xdg-utils before 1.1.3 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL, as demonstrated by %s in this environment variable.
How to fix CVE-2017-18266
To remediate CVE-2017-18266, upgrade the affected package to a fixed version below.
- —upgrade to 1.1.3-1 or later
- —upgrade to 1.1.0~rc1+git20111210-6+deb7u4 or later
- —upgrade to 1.1.0~rc1+git20111210-7.4+deb8u1 or later
Is CVE-2017-18266 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.1.3-1
- from 0, < 1.1.0~rc1+git20111210-6+deb7u4
- from 0, < 1.1.0~rc1+git20111210-7.4+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |