CVE-2017-5885

Publication date 7 February 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Multiple integer overflows in the (1) vnc_connection_server_message and (2) vnc_color_map_set functions in gtk-vnc before 0.7.0 allow remote servers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving SetColorMapEntries, which triggers a buffer overflow.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gtk-vnc	16.10 yakkety	Fixed 0.6.0-1ubuntu1.1
	16.04 LTS xenial	Fixed 0.5.3-1.3ubuntu2.1
	14.04 LTS trusty	Fixed 0.5.3-0ubuntu2.1
	12.04 LTS precise	Fixed 0.5.0-1ubuntu1.1

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
gtk-vnc	Upstream: ?id=661 Upstream: ?id=c85

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3203-1
gtk-vnc vulnerabilities
20 February 2017