Vulnerability Details CVE-2017-18266
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.011
EPSS Ranking 77.0%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
References
- https://bugs.freedesktop.org/show_bug.cgi?id=103807
- https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=5647afb35e4bcba2060148e1a2a47bc43cc240f2
- https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcb
- https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog
- https://lists.debian.org/debian-lts-announce/2018/05/msg00014.html
- https://usn.ubuntu.com/3650-1/
- https://www.debian.org/security/2018/dsa-4211
- https://bugs.freedesktop.org/show_bug.cgi?id=103807
- https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=5647afb35e4bcba2060148e1a2a47bc43cc240f2
- https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcb
- https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog
- https://lists.debian.org/debian-lts-announce/2018/05/msg00014.html
- https://usn.ubuntu.com/3650-1/
- https://www.debian.org/security/2018/dsa-4211
Products affected by CVE-2017-18266
-
cpe:2.3:a:freedesktop:xdg-utils:1.0
-
cpe:2.3:a:freedesktop:xdg-utils:1.0.1
-
cpe:2.3:a:freedesktop:xdg-utils:1.0.2
-
cpe:2.3:a:freedesktop:xdg-utils:1.1.0
-
cpe:2.3:a:freedesktop:xdg-utils:1.1.1
-
cpe:2.3:a:freedesktop:xdg-utils:1.1.2
-
cpe:2.3:o:canonical:ubuntu_linux:14.04
-
cpe:2.3:o:canonical:ubuntu_linux:16.04
-
cpe:2.3:o:canonical:ubuntu_linux:17.10
-
cpe:2.3:o:canonical:ubuntu_linux:18.04
-
cpe:2.3:o:debian:debian_linux:7.0
-
cpe:2.3:o:debian:debian_linux:8.0
-
cpe:2.3:o:debian:debian_linux:9.0