CVE-2013-7441

Severity

78%

Complexity

99%

Confidentiality

115%

The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (root process termination) by (1) closing the connection during negotiation or (2) specifying a name for a non-existent export.

The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (root process termination) by (1) closing the connection during negotiation or (2) specifying a name for a non-existent export.

CVSS 2.0 Base Score 7.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C).

Overview

Type

Wouter Verhelst Network Block Device (nbd)

First reported 9 years ago

2015-05-29 15:59:00

Last updated 8 years ago

2016-12-31 02:59:00

Affected Software

Wouter Verhelst Network Block Device (nbd) 2.9.3

2.9.3

Wouter Verhelst Network Block Device (nbd) 2.9.4

2.9.4

Wouter Verhelst Network Block Device (nbd) 2.9.5

2.9.5

Wouter Verhelst Network Block Device (nbd) 2.9.6

2.9.6

Wouter Verhelst Network Block Device (nbd) 2.9.7

2.9.7

Wouter Verhelst Network Block Device (nbd) 2.9.8

2.9.8

Wouter Verhelst Network Block Device (nbd) 2.9.9

2.9.9

Wouter Verhelst Network Block Device (nbd) 2.9.22

2.9.22

Wouter Verhelst Network Block Device (nbd) 2.9.23

2.9.23

Wouter Verhelst Network Block Device (nbd) 2.9.24

2.9.24

Wouter Verhelst Network Block Device (nbd) 2.9.25

2.9.25

Wouter Verhelst Network Block Device (nbd) 3.0

3.0

Wouter Verhelst Network Block Device (nbd) 3.1

3.1

Wouter Verhelst Network Block Device (nbd) 3.1.1

3.1.1

Wouter Verhelst Network Block Device (nbd) 3.2

3.2

Wouter Verhelst Network Block Device (nbd) 3.3

3.3

References

openSUSE-SU-2015:0994

[Nbd] 20130128 NBD server terminates on SIGPIPE during negotiation

DSA-3271

[oss-security] 20150519 CVE Request: nbd denial of service

[oss-security] 20150521 Re: CVE Request: nbd denial of service

74808

USN-2676-1

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=781547

https://github.com/yoe/nbd/commit/741495cb08503fd32a9d22648e63b64390c601f4

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