Information disclosure in Guacamole - CVE-2018-1340

 

Information disclosure in Guacamole - CVE-2018-1340

Published: January 31, 2019


Vulnerability identifier: #VU17333
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1340
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to use of a cookie for client-side storage of the user's session token that can leak the "secure" flag. A remote attacker can eavesdrop on the network to intercept the user's session token if unencrypted HTTP requests are made to the same domain.


Affected software

Guacamole
Fedora
guacamole-server

How to mitigate CVE-2018-1340

Update to versions 1.0.0.

Guacamole - update to 1.0.0
guacamole-server - addressed in versions 1.0.0-1.el6, 1.0.0-1.el7, 1.0.0-1.fc28, 1.0.0-1.fc29

External References

Related Security Bulletins