CVE-2015-3456
Public exploit available. Not confirmed exploited in the wild yet. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
1 source with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
15% chance of exploitation activity in the next 30 days, which ranks it in the 97th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 4061 days, from the signal feeds we watch.
- OpenVAS check added
- Record updated
- Public exploit / PoCsource: exploit-db
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:A/AC:L/Au:S/C:C/I:C/A:C
Scored 7.7 by NVD.
How it is reached
- Access Vector Adjacent NetworkRequires adjacent network access
- Access Complexity LowNo special conditions required
- Authentication SingleRequires single authentication
Impact if exploited
- Confidentiality CompleteAll information is disclosed
- Integrity CompleteAll data can be modified
- Availability CompleteTotal shutdown of the affected resource
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
References in the record
- exploit-db.com/exploits/37053/
- securitytracker.com/id/1032306
- oracle.com/technetwork/topics/security/cpujul2015-2367936.html
And 45 more references. See all after sign-in
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