// For flags

CVE-2017-10664

Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

qemu-nbd in QEMU (aka Quick Emulator) does not ignore SIGPIPE, which allows remote attackers to cause a denial of service (daemon crash) by disconnecting during a server-to-client reply attempt.

qemu-nbd en QEMU (Quick Emulator) no ignora la señal SIGPIPE, lo que permite a atacantes remotos provocar una denegación de servicio desconectando el proceso durante un intento de respuesta de servidor a cliente.

Quick Emulator (QEMU) built with the Network Block Device (NBD) Server support is vulnerable to a crash via a SIGPIPE signal. The crash can occur if a client aborts a connection due to any failure during negotiation or read operation. A remote user/process could use this flaw to crash the qemu-nbd server resulting in a Denial of Service (DoS).

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-06-28 CVE Reserved
  • 2017-07-26 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-08-14 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-248: Uncaught Exception
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
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Virtualization
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3.0
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-
Affected
in Redhat
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Enterprise Linux
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7.0
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-
Safe
Redhat
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Virtualization
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4.0
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-
Affected
in Redhat
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Enterprise Linux
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7.0
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-
Safe
Qemu
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Qemu
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<= 2.9.1
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-
Affected
Debian
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Debian Linux
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8.0
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-
Affected
Debian
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Debian Linux
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9.0
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-
Affected
Redhat
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Openstack
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6.0
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-
Affected
Redhat
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Openstack
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7.0
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-
Affected
Redhat
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Openstack
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8
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-
Affected
Redhat
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Openstack
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9
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-
Affected
Redhat
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Openstack
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10
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-
Affected
Redhat
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Openstack
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11
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-
Affected
Redhat
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Enterprise Linux Desktop
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7.0
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Affected
Redhat
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Enterprise Linux Eus
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7.4
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Affected
Redhat
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Enterprise Linux Eus
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7.5
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Affected
Redhat
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Enterprise Linux Eus
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7.6
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Affected
Redhat
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Enterprise Linux Eus
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7.7
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Affected
Redhat
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Enterprise Linux Server
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7.0
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Affected
Redhat
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Enterprise Linux Server Aus
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7.4
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Affected
Redhat
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Enterprise Linux Server Aus
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7.6
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Affected
Redhat
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Enterprise Linux Server Aus
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7.7
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Affected
Redhat
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Enterprise Linux Server Tus
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7.4
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Affected
Redhat
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Enterprise Linux Server Tus
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7.6
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Affected
Redhat
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Enterprise Linux Server Tus
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7.7
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Affected
Redhat
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Enterprise Linux Workstation
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7.0
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-
Affected