CVE-2014-8241
CriticalSummary
XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.
Risk Assessment
The organization may experience service outages in VNC, leading to disruptions in operations and potential data loss.
Recommendation
It is recommended to update TigerVNC to the latest version to mitigate this vulnerability and to monitor logs for potential attack attempts.
Other vulnerabilities in TigerVNC
See all- CVE-2017-7396High
In TigerVNC version 1.7.1, a vulnerability allows an unauthenticated client to cause a small memory leak on the server.
- CVE-2017-7394High
In TigerVNC 1.7.1, unauthenticated users can crash the server by sending long usernames.
- CVE-2017-7393High
In TigerVNC 1.7.1, an authenticated client can cause a double free, leading to denial of service or potentially code execution.
- CVE-2017-7392High
In TigerVNC 1.7.1, there is a vulnerability that allows an unauthenticated client to cause a small memory leak on the server.
- CVE-2016-10207High
The Xvnc server in TigerVNC allows remote attackers to cause a denial of service by terminating a TLS handshake early, leading to invalid memory access and server crash.
- CVE-2014-8240High
Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow.
- CVE-2017-5581Critical
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before version 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
Original NVD description (English source)
XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.