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CVE-2013-6410

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which...

7.5 HighFix available

CVE-2013-6410 is a high vulnerability (CVSS 7.5) in Wouter Verhelst Nbd, published November 29, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 85th percentile. Fixed in nbd 1:3.5-1.

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Exploit likelihood

2.54%Up 1.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Record
CVE-2013-6410
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Record
CVE-2013-6410
Updated
2026-11-02
EUVDEUVD-2013-6229 No score

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Record
EUVD-2013-6229
Updated
2026-11-03
GitHub AdvisoriesGHSA-m347-4hpq-mfpc No score

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which...

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Record
GHSA-m347-4hpq-mfpc
Updated
2026-11-02
OSV No score

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Record
CVE-2013-6410
Updated
2026-11-02
OSVDEBIAN-CVE-2013-6410 No score

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Record
DEBIAN-CVE-2013-6410
Updated
2026-11-02
OSVUBUNTU-CVE-2013-6410 No score

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Record
UBUNTU-CVE-2013-6410
Updated
2026-11-02
OSVUSN-2676-1 No score

nbd vulnerabilities

It was discovered that NBD incorrectly handled IP address matching. A remote attacker could use this issue with an IP address that has a partial match and bypass access restrictions. This issue only affected Ubuntu 12.04 LTS. (CVE-2013-6410)

Tuomas Räsänen discovered that NBD incorrectly handled wrong export names and closed connections during negotiation. A remote attacker could use this issue to cause NBD to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2013-7441)

Tuomas Räsänen discovered that NBD incorrectly handled signals. A remote attacker could use this issue to cause NBD to crash, resulting in a denial of service. (CVE-2015-0847)

Record
USN-2676-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nbd
Debian:12
before 1:3.5-1
1:3.5-1
nbd
Debian:13
before 1:3.5-1
1:3.5-1
nbd
Debian:14
before 1:3.5-1
1:3.5-1
nbd
Debian:6.0
before 1:2.9.16-8+squeeze1, plus listed versions
1:2.9.16-8
1:2.9.16-8+squeeze1
nbd
Debian:7
before 1:3.2-4~deb7u4, plus listed versions
1:3.2-21:3.2-31:3.2-4~deb7u11:3.2-4~deb7u21:3.2-4~deb7u31:3.2-4~deb7u4~bpo60+1
1:3.2-4~deb7u4
nbd
Ubuntu:14.04:LTS
before 1:3.7-1ubuntu0.1, plus listed versions
1:3.3-3ubuntu11:3.4-1ubuntu11:3.4-2ubuntu11:3.5-1ubuntu11:3.6-1ubuntu11:3.7-1
1:3.7-1ubuntu0.1

History

History
WhenChangedSources
2026-11-03affected
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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