CVE-2015-0856
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.41% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 35.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-11-24 20:00Z10 YR AGO
- Last updated
- 2024-08-06 04:26Z2 YR AGO
- Reserved
- 2015-01-07
- Assigning CNA
- debian
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 5a95991a5a162c5138bbc3f7eebc0001a6a00d430d808113a5cb8f3a989af350
05 Affected products
06 References
- www.securityfocus.com77099http://www.securityfocus.com/bid/77099
- lists.fedoraproject.orgFEDORA-2015-9f996ea146http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171443.html
- github.comhttps://github.com/sddm/sddm/wiki/0.13.0-Release-Announcement
- www.openwall.com[oss-security] 20151014 CVE-2015-0856: sddm does not prevent access to the KDE crash handlerhttp://www.openwall.com/lists/oss-security/2015/10/14/2
- github.comhttps://github.com/sddm/sddm/commit/4cfed6b0a625593fb43876f04badc4dd99799d86
07 Fixed in
Debian 12
- sddm Fixed in 0.12.0-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- sddm Fixed in 0.12.0-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- sddm Fixed in 0.12.0-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.