What’s Vulnerable › Vulnerabilities

CVE-2015-0856

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-11-24 · updated 2026-06-17
• Weakness: CWE-264

Description

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.

Affected products

• Fedoraproject Fedora: 22
• Sddm Project Sddm: through 0.12.0

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171443.html
• http://www.openwall.com/lists/oss-security/2015/10/14/2
• http://www.securityfocus.com/bid/77099
• https://github.com/sddm/sddm/commit/4cfed6b0a625593fb43876f04badc4dd99799d86
• https://github.com/sddm/sddm/wiki/0.13.0-Release-Announcement
• http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171443.html
• http://www.openwall.com/lists/oss-security/2015/10/14/2
• http://www.securityfocus.com/bid/77099
• https://github.com/sddm/sddm/commit/4cfed6b0a625593fb43876f04badc4dd99799d86
• https://github.com/sddm/sddm/wiki/0.13.0-Release-Announcement

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