What is the severity of CVE-2015-0856?

CVE-2015-0856 has a medium severity rating due to its potential to allow local users to gain privileges by exploiting a flaw in the KDE crash handler.

How do I fix CVE-2015-0856?

To mitigate CVE-2015-0856, upgrade to SDDM version 0.13.0 or later, which properly disables the KDE crash handler.

Which software is affected by CVE-2015-0856?

CVE-2015-0856 affects SDDM versions up to and including 0.12.0 and Fedora 22.

Can local users exploit CVE-2015-0856?

Yes, local users can exploit CVE-2015-0856 by crashing a greeter using certain themes to gain elevated privileges.

What should I do if I'm using an affected version of SDDM?

If using an affected version of SDDM, it is important to update to a fixed version to prevent privilege escalation vulnerabilities.

Vulnerability/
CVE-2015-0856

medium

4.6

CWE

264

24/11/2015

6/8/2024

CVE-2015-0856

First published: Tue Nov 24 2015(Updated: )

daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.

Credit: security@debian.org

Affected Software	Affected Version	How to fix
Fedoraproject Fedora	=22
SDDM Project SDDM	<=0.12.0

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2015-0856?
CVE-2015-0856 has a medium severity rating due to its potential to allow local users to gain privileges by exploiting a flaw in the KDE crash handler.
How do I fix CVE-2015-0856?
To mitigate CVE-2015-0856, upgrade to SDDM version 0.13.0 or later, which properly disables the KDE crash handler.
Which software is affected by CVE-2015-0856?
CVE-2015-0856 affects SDDM versions up to and including 0.12.0 and Fedora 22.
Can local users exploit CVE-2015-0856?
Yes, local users can exploit CVE-2015-0856 by crashing a greeter using certain themes to gain elevated privileges.
What should I do if I'm using an affected version of SDDM?
If using an affected version of SDDM, it is important to update to a fixed version to prevent privilege escalation vulnerabilities.

agent/type
collector/mitre-cve
source/MITRE
agent/author
agent/references
agent/weakness
agent/last-modified-date
agent/severity
agent/first-publish-date
agent/description
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/fedoraproject
canonical/fedoraproject fedora
version/fedoraproject fedora/22
vendor/sddm project
canonical/sddm project sddm
version/sddm project sddm/0.12.0

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Frequently Asked Questions

What is the severity of CVE-2015-0856?
CVE-2015-0856 has a medium severity rating due to its potential to allow local users to gain privileges by exploiting a flaw in the KDE crash handler.
How do I fix CVE-2015-0856?
To mitigate CVE-2015-0856, upgrade to SDDM version 0.13.0 or later, which properly disables the KDE crash handler.
Which software is affected by CVE-2015-0856?
CVE-2015-0856 affects SDDM versions up to and including 0.12.0 and Fedora 22.
Can local users exploit CVE-2015-0856?
Yes, local users can exploit CVE-2015-0856 by crashing a greeter using certain themes to gain elevated privileges.
What should I do if I'm using an affected version of SDDM?
If using an affected version of SDDM, it is important to update to a fixed version to prevent privilege escalation vulnerabilities.