CVE-2017-18266

high

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.

References

https://www.debian.org/security/2018/dsa-4211

https://usn.ubuntu.com/3650-1/

https://lists.debian.org/debian-lts-announce/2018/05/msg00014.html

https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog

https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcb

https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=5647afb35e4bcba2060148e1a2a47bc43cc240f2

https://bugs.freedesktop.org/show_bug.cgi?id=103807

Details

Source: Mitre, NVD

Published: 2018-05-10

Updated: 2018-06-14

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High