8.8

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Freedesktop ≫ Xdg-utils Version < 1.1.3
Debian ≫ Debian Linux Version 7.0
Debian ≫ Debian Linux Version 8.0
Debian ≫ Debian Linux Version 9.0
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 17.10
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.49% 0.828
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NIST 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

https://bugs.freedesktop.org/show_bug.cgi?id=103807
Patch
Issue Tracking
https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=5647afb35e4bcba2060148e1a2a47bc43cc240f2
Release Notes
https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcb
Patch
https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog
Release Notes
https://lists.debian.org/debian-lts-announce/2018/05/msg00014.html
Third Party Advisory
https://usn.ubuntu.com/3650-1/
Third Party Advisory
https://www.debian.org/security/2018/dsa-4211
Third Party Advisory