CVE-2015-0856
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.6
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| fedora | 22 | affected | |
| debian | bookworm | fixed | 0.12.0-5 |
| debian | bullseye | fixed | 0.12.0-5 |
| debian | forky | fixed | 0.12.0-5 |
| debian | sid | fixed | 0.12.0-5 |
| debian | trixie | fixed | 0.12.0-5 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| sddm_project | sddm | {"endIncluding":"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
- https://security-tracker.debian.org/tracker/CVE-2015-0856
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.