Cryptographic issues in noVNC - CVE-2013-7436
Published: April 10, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40842
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2013-7436
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: kanaka (Joel Martin)
Affected software:
noVNC
noVNC
Detailed vulnerability description
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.
How to mitigate CVE-2013-7436
Install update from vendor's website.
Sources
- 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