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Mend.io Vulnerability Database

CVE-2015-6855

Date: November 6, 2015

hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash.

Language: C

Severity Score

7.5

Related Resources (21)

Url: http://www.debian.org/security/2015/dsa-3362

Url: https://www.arista.com/en/support/advisories-notices/security-advisories/1188-security-advisory-14

Url: https://access.redhat.com/security/cve/CVE-2015-6855

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2015-6855

Url: http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00019.html

Url: http://www.openwall.com/lists/oss-security/2015/09/10/2

Url: https://security-tracker.debian.org/tracker/CVE-2015-6855

Url: http://www.openwall.com/lists/oss-security/2015/09/10/1

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-6855

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169341.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167369.html

Url: http://www.ubuntu.com/usn/USN-2745-1

Url: http://www.securityfocus.com/bid/76691

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169327.html

Url: https://security.gentoo.org/glsa/201602-01

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169036.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169039.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168602.html

Url: http://www.debian.org/security/2015/dsa-3361

Url: https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg02479.html

Url: https://www.mend.io/vulnerability-database/CVE-2015-6855

Severity Score

7.5

Weakness Type (CWE)

Divide By Zero

CWE-369

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

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CVE-2015-6855

Date: November 6, 2015

Language: C

Severity Score

Related Resources (21)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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