sys-block/nbd-9999 — Security Advisories

▸ GLSA 202402-10 NBD Tools: Multiple Vulnerabilities this version unaffected normal remote 2024-02-04

Multiple vulnerabilities have been found in NBD Tools, the worst of which could result in arbitary code execution.

Announced: 2024-02-04
Revised: 2024-02-04
Access: remote
Bugs: #834678
Advisory: https://security.gentoo.org/glsa/202402-10

Affected packages

Package	Arch	Vulnerable	Unaffected
sys-block/nbd	*	< 3.24	>= 3.24

Background

The NBD Tools are the Network Block Device utilities allowing one to use remote block devices over a TCP/IP network. It includes a userland NBD server.

Description

Multiple vulnerabilities have been discovered in NBD Tools. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All NBD Tools users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-block/nbd-3.24"

References

▸ GLSA 201206-35 nbd: Multiple vulnerabilities this version unaffected high remote 2012-06-25

Multiple vulnerabilities were found in nbd, which could lead to remote execution of arbitrary code.

Announced: 2012-06-25
Revised: 2012-06-25
Access: remote
Bugs: #353097 #372891
Advisory: https://security.gentoo.org/glsa/201206-35

Affected packages

Package	Arch	Vulnerable	Unaffected
sys-block/nbd	*	< 2.9.22	>= 2.9.22

Background

nbd is a userland client/server for kernel network block device.

Description

Multiple vulnerabilities have been discovered in nbd. Please review the CVE identifiers referenced below for details.

Impact

nbd allows remote attackers to cause a denial of service (NULL pointer dereference and crash) or the execution of arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All nbd users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-block/nbd-2.9.22"

References

▸ GLSA 200512-14 NBD Tools: Buffer overflow in NBD server this version unaffected high remote 2005-12-23

The NBD server is vulnerable to a buffer overflow that may result in the execution of arbitrary code.

Announced: 2005-12-23
Revised: 2005-12-23
Access: remote
Bugs: #116314
Advisory: https://security.gentoo.org/glsa/200512-14

Affected packages

Package	Arch	Vulnerable	Unaffected
sys-block/nbd	*	< 2.8.2-r1	>= 2.8.2-r1

Background

The NBD Tools are the Network Block Device utilities allowing one to use remote block devices over a TCP/IP network. It includes a userland NBD server.

Description

Kurt Fitzner discovered that the NBD server allocates a request buffer that fails to take into account the size of the reply header.

Impact

A remote attacker could send a malicious request that can result in the execution of arbitrary code with the rights of the NBD server.

Workaround

There is no known workaround at this time.

Resolution

All NBD Tools users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-block/nbd-2.8.2-r1"

References

CVE-2005-3534