CVE-2015-8743

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.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/01/04/2 third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1264929 issue tracking
http://www.securitytracker.com/id/1034574 vdb entry third party advisory
http://www.securityfocus.com/bid/79820 vdb entry third party advisory
http://www.openwall.com/lists/oss-security/2016/01/04/1 third party advisory mailing list
http://www.debian.org/security/2016/dsa-3469 third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3470 third party advisory vendor advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00050.html mailing list patch vendor advisory
http://www.debian.org/security/2016/dsa-3471 third party advisory vendor advisory
https://security.gentoo.org/glsa/201602-01 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-8743?
CVE-2015-8743 has been scored as a high severity vulnerability.
How to fix CVE-2015-8743?
To fix CVE-2015-8743, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8743 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8743 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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