Vulnerability Description
QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. It could occur while performing 'ioport' r/w operations. A privileged (CAP_SYS_RAWIO) user/process could use this flaw to leak or corrupt QEMU memory bytes.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.5.1 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2016/dsa-3469Third Party Advisory
- http://www.debian.org/security/2016/dsa-3470Third Party Advisory
- http://www.debian.org/security/2016/dsa-3471Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/2Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/79820Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034574Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1264929Issue Tracking
- https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00050.htmlPatchVendor Advisory
- https://security.gentoo.org/glsa/201602-01Third Party Advisory
- http://www.debian.org/security/2016/dsa-3469Third Party Advisory
- http://www.debian.org/security/2016/dsa-3470Third Party Advisory
- http://www.debian.org/security/2016/dsa-3471Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/04/2Mailing ListThird Party Advisory
FAQ
What is CVE-2015-8743?
CVE-2015-8743 is a vulnerability with a CVSS score of 7.1 (HIGH). QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. It could occur while performing 'ioport' r/w operations. A privileged (CAP_SYS_RAWIO)...
How severe is CVE-2015-8743?
CVE-2015-8743 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8743?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.