CVE-2017-18266

EUVD-2017-9393
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.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
Affected Products (NVD)
VendorProductVersion
freedesktopxdg-utils
𝑥
< 1.1.3
debiandebian_linux
7.0
debiandebian_linux
8.0
debiandebian_linux
9.0
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
17.10
canonicalubuntu_linux
18.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xdg-utils
bookworm
1.1.3-4.1
fixed
bullseye
1.1.3-4.1
fixed
sid
1.1.3-4.1
fixed
trixie
1.1.3-4.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xdg-utils
artful
Fixed 1.1.1-1ubuntu3.2
released
bionic
Fixed 1.1.2-1ubuntu2.2
released
trusty
Fixed 1.1.0~rc1-2ubuntu7.2
released
xenial
Fixed 1.1.1-1ubuntu1.16.04.3
released