SB2015041005 - Cryptographic issues in noVNC
Published: April 10, 2015 Updated: August 9, 2020
Security Bulletin ID
SB2015041005
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2013-7436)
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.
Remediation
Install update from vendor's website.
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