CVE-2017-18266
Published: 10 May 2018
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.
Priority
Status
Package | Release | Status |
---|---|---|
xdg-utils Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
xenial |
Released
(1.1.1-1ubuntu1.16.04.3)
|
|
artful |
Released
(1.1.1-1ubuntu3.2)
|
|
bionic |
Released
(1.1.2-1ubuntu2.2)
|
|
trusty |
Released
(1.1.0~rc1-2ubuntu7.2)
|
|
Patches: other: https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcb |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |