Buffer overflow in Qemu
CVE-2011-3346
Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.0 (Medium). Vector: AV:L/AC:H/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.005 (39.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Qemu — versions 0.15.0
- Xen
- Red Hat Enterprise Linux — versions 5
Weakness classification (CWE)
References
- git.qemu.org/
- www.redhat.com/support/errata/RHSA-2011-1401.html (vendor-advisory)
- github.com/bonzini/qemu/commit/103b40f51e4012b3b0ad20f615562a1806d7f49a (Exploit, Patch)
- www.openwall.com/lists/oss-security/2011/10/20/2 (mailing-list)
- bugzilla.redhat.com/show_bug.cgi
- github.com/bonzini/qemu/commit/7285477ab11831b1cf56e45878a89170dd06d9b9 (Exploit, Patch)