4.6
MEDIUM
CVE-2014-8106
QEMU Cirrus VGA Emulator Heap-based Buffer Overflow
Description

Heap-based buffer overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU before 2.2.0 allows local guest users to execute arbitrary code via vectors related to blit regions. NOTE: this vulnerability exists because an incomplete fix for CVE-2007-1320.

INFO

Published Date :

Dec. 8, 2014, 4:59 p.m.

Last Modified :

Feb. 13, 2023, 12:42 a.m.

Remotely Exploitable :

No

Impact Score :

6.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2014-8106 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qemu qemu

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2014-8106 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2014-8106 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description It was found that the Cirrus blit region checks were insufficient. A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host's QEMU process address space with attacker-provided data. Heap-based buffer overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU before 2.2.0 allows local guest users to execute arbitrary code via vectors related to blit regions. NOTE: this vulnerability exists because an incomplete fix for CVE-2007-1320.
    Removed CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:S/C:P/I:P/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0349 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0624 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0643 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0795 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0867 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0868 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:0891 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2014-8106 [No Types Assigned]
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1169454 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description Heap-based buffer overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU before 2.2.0 allows local guest users to execute arbitrary code via vectors related to blit regions. NOTE: this vulnerability exists because an incomplete fix for CVE-2007-1320. It was found that the Cirrus blit region checks were insufficient. A privileged guest user could use this flaw to write outside of VRAM-allocated buffer boundaries in the host's QEMU process address space with attacker-provided data.
    Added CVSS V2 Red Hat, Inc. (AV:A/AC:M/Au:S/C:P/I:P/A:P)
    Removed Reference http://git.qemu.org/?p=qemu.git;a=commit;h=bf25983345ca44aec3dd92c57142be45452bd38a [No Types Assigned]
    Removed Reference http://git.qemu.org/?p=qemu.git;a=commit;h=d3532a0db02296e687711b8cdc7791924efccea0 [No Types Assigned]
    Added Reference http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bf25983345ca44aec3dd92c57142be45452bd38a [No Types Assigned]
    Added Reference http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d3532a0db02296e687711b8cdc7791924efccea0 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0795 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0891 [No Types Assigned]
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1169454 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2014-8106 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0643 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0868 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0349 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0624 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:0867 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 08, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/99126 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/99126 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 03, 2017

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-0891.html [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-0868.html [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-0867.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 08, 2016

    Action Type Old Value New Value
    Added Reference http://support.citrix.com/article/CTX200892 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 14, 2016

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html
  • CVE Modified by [email protected]

    Apr. 15, 2015

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-0795.html
  • CVE Modified by [email protected]

    Mar. 18, 2015

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-0349.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-0624.html
  • CVE Modified by [email protected]

    Mar. 12, 2015

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-0643.html
  • Initial Analysis by [email protected]

    Dec. 09, 2014

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:qemu:qemu:2.1.2:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:qemu:qemu:2.1.1:*:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.1.0:rc5:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.1.0:rc3:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.1.0:rc2:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.1.0:rc1:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.1.0:rc0:*:*:*:*:*:* *cpe:2.3:a:qemu:qemu:2.1.0:*:*:*:*:*:*:*
    Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Changed Reference Type http://www.debian.org/security/2014/dsa-3087 No Types Assigned http://www.debian.org/security/2014/dsa-3087 Advisory
    Changed Reference Type http://www.debian.org/security/2014/dsa-3088 No Types Assigned http://www.debian.org/security/2014/dsa-3088 Advisory
    Added CWE CWE-119
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.10 }} 0.00%

score

0.39692

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability