CVE-2014-6055

Publication date 24 September 2014

Last updated 26 May 2025

Ubuntu priority

Description

Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a (1) long file or (2) directory name or the (3) FileTime attribute in a rfbFileTransferOffer message.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
italc	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Fixed in 1:2.0.2+dfsg1-4ubuntu0.1
	14.04 LTS trusty	Not in release
krfb	14.04 LTS trusty	Fixed in 4:4.13.3-0ubuntu1.1
	12.04 LTS precise	Not in release
	10.04 LTS lucid	Not in release
libvncserver	14.04 LTS trusty	Fixed in 0.9.9+dfsg-1ubuntu1.1
	12.04 LTS precise	Fixed in 0.9.8.2-2ubuntu1.1
	10.04 LTS lucid	Ignored end of life

Notes

mdeslaur

fix may break ABI

Patch details

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

Package	Patch details
krfb	Upstream: http://quickgit.kde.org/?p=krfb.git&a=commit&h=2e211579455fd832fb21322482c005b6a85aa1bf Upstream: http://quickgit.kde.org/?p=krfb.git&a=commit&h=857c2b411ed806ef806116407612a2d2a40fab9c
libvncserver	Upstream: 06ccdf0 Upstream: f528072 Upstream: 256964b

CVE-2014-6055

Description

Status

Notes

mdeslaur

Patch details

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities