Incorrect Permission Assignment for Critical Resource Affecting crossroads package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-DEBIAN9-CROSSROADS-260421
  • published28 Oct 2018
  • disclosed26 Oct 2018

Introduced: 26 Oct 2018

CVE-2018-18654  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

There is no fixed version for Debian:9 crossroads.

NVD Description

Note: Versions mentioned in the description apply only to the upstream crossroads package and not the crossroads package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

Crossroads 2.81 does not properly handle the /tmp directory during a build of xr. A local attacker can first create a world-writable subdirectory in a certain location under the /tmp directory, wait until a user process copies xr there, and then replace the entire contents of this subdirectory to include a Trojan horse xr.