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....
HighCVSS 8.8
EPSS 2.4%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/xdg-utils(Debian:12) | < 1.1.3-1 | 1.1.3-1 |
| debian/xdg-utils(Debian:13) | < 1.1.3-1 | 1.1.3-1 |
| debian/xdg-utils(Debian:14) | < 1.1.3-1 | 1.1.3-1 |
| freedesktop xdg-utils | < 1.1.3 | 1.1.3 |
| debian linux | = 7.0 | No fix listed |
| debian linux | = 8.0 | No fix listed |
| debian linux | = 9.0 | No fix listed |
| Canonical Ubuntu Linux | = 14.04 | No fix listed |
| Canonical Ubuntu Linux | = 16.04 | No fix listed |
| Canonical Ubuntu Linux | = 17.10 | No fix listed |
| Canonical Ubuntu Linux | = 18.04 | No fix listed |
References
- Debian Security Tracker CVE-2017-18266 vendor-advisory
- bugs.freedesktop.org issue-tracking patch
- cgit.freedesktop.org release-notes
- cgit.freedesktop.org patch
- cgit.freedesktop.org release-notes
- [debian-lts-announce] 20180525 [SECURITY] [DLA 1384-1] xdg-utils security update mailing-list third-party-advisory
- USN-3650-1 third-party-advisory vendor-advisory
- DSA-4211 third-party-advisory vendor-advisory
- bugs.debian.org issue-tracking