Cryptographic issues in noVNC - CVE-2013-7436
Published: April 10, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40842
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-7436
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.
Affected software
noVNC
Fedora
novnc
Fedora
novnc
How to mitigate CVE-2013-7436
Install update from vendor's website.
novnc - addressed in versions 0.5.1-2.el6, 0.5.1-2.el7
External References
- http://rhn.redhat.com/errata/RHSA-2015-0788.html
- http://rhn.redhat.com/errata/RHSA-2015-0833.html
- http://rhn.redhat.com/errata/RHSA-2015-0834.html
- http://rhn.redhat.com/errata/RHSA-2015-0884.html
- http://www.openwall.com/lists/oss-security/2015/02/17/1
- http://www.openwall.com/lists/oss-security/2015/03/12/13
- https://bugzilla.redhat.com/show_bug.cgi?id=1193451
- https://github.com/kanaka/noVNC/commit/ad941faddead705cd611921730054767a0b32dcd