// For flags

CVE-2013-4535

qemu: virtio: insufficient validation of num_sg when mapping

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

La función virtqueue_map_sg en el archivo hw/virtio/virtio.c en QEMU versiones anteriores a 1.7.2, permite a atacantes remotos ejecutar archivos arbitrarios por medio de una imagen savevm diseñada, relacionada con una lectura virtio-block o virtio-serial.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Local
Attack Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2013-06-12 CVE Reserved
  • 2014-06-11 CVE Published
  • 2023-11-08 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Qemu
Search vendor "Qemu"
Qemu
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< 1.7.2
Search vendor "Qemu" for product "Qemu" and version " < 1.7.2"
-
Affected
Redhat
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Virtualization
Search vendor "Redhat" for product "Virtualization"
3.0
Search vendor "Redhat" for product "Virtualization" and version "3.0"
-
Affected
Redhat
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Enterprise Linux Desktop
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6.0
Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0"
-
Affected
Redhat
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Enterprise Linux Server
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6.0
Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"
-
Affected
Redhat
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Enterprise Linux Server Tus
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6.5
Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "6.5"
-
Affected
Redhat
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Enterprise Linux Workstation
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6.0
Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"
-
Affected