CVE-2013-4535 — HIGH (8.8) — White Hats Nepal

Q: What is CVE-2013-4535?

CVE-2013-4535 is a vulnerability with a CVSS score of 8.8 (HIGH). The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.

Q: How severe is CVE-2013-4535?

CVE-2013-4535 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2013-4535?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Virtualization, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Tus.

Vulnerability Description

The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qemu	Qemu	< 1.7.2
Redhat	Virtualization	3.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server Tus	6.5
Redhat	Enterprise Linux Workstation	6.0

Related Weaknesses (CWE)

CWE-20

References

http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=36cf2a37132c7f01fa9adb5f95f53
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133345.htmlThird Party Advisory
http://lists.nongnu.org/archive/html/qemu-stable/2014-07/msg00187.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0743.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0744.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1066401Issue TrackingThird Party Advisory
http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=36cf2a37132c7f01fa9adb5f95f53
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133345.htmlThird Party Advisory
http://lists.nongnu.org/archive/html/qemu-stable/2014-07/msg00187.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0743.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0744.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1066401Issue TrackingThird Party Advisory

FAQ

What is CVE-2013-4535?

CVE-2013-4535 is a vulnerability with a CVSS score of 8.8 (HIGH). The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.

How severe is CVE-2013-4535?

CVE-2013-4535 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2013-4535?

Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Virtualization, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Tus.