Home/CVE/The open_envvar function in xdg-open in xdg-utils before 1.1.3 does not validate strings before launching the program sp
CVE

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 sp

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.

HIGH · CVSS 8.8 EPSS 0.01003
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

3
freedesktop xdg-utils< 1.1.3
debian linuxall versions
canonical ubuntu linuxall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 May 2018 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:11518-1
suse-csafSUSE-SU-2018:1497-1
usnUSN-3650-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.freedesktop.org/show_bug.cgi?id=103807Issue TrackingPatch
https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=5647afb35e4bcba2060148e1a2a47bc43cc240f2Release Notes
https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcbPatch
https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLogRelease Notes
https://lists.debian.org/debian-lts-announce/2018/05/msg00014.htmlThird Party Advisory
https://usn.ubuntu.com/3650-1/Third Party Advisory
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