CVE-2014-6055 Memory corruption in n/a
Remote authenticated attackers can trigger stack-based buffer overflows in LibVNCServer via crafted file transfer messages, leading to crashes or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-6055?
CVE-2014-6055 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 30 Sep 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2014-6055?
It affects 5 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Libvncserver Libvncserver, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus.
How do I fix CVE-2014-6055?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-6055 being exploited?
There is no known exploitation of CVE-2014-6055 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2014-6055, GHSA-ggwh-wx55-84cx, UBUNTU-CVE-2014-6055.