CVE-2013-6410
nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which...
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
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 High
AV: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
| Package | Affected | Fixed |
|---|---|---|
nbdDebian:12 |
before 1:3.5-1 | 1:3.5-1 |
nbdDebian:13 |
before 1:3.5-1 | 1:3.5-1 |
nbdDebian:14 |
before 1:3.5-1 | 1:3.5-1 |
nbdDebian:6.0 |
before 1:2.9.16-8+squeeze1, plus listed versions 1:2.9.16-8 |
1:2.9.16-8+squeeze1 |
nbdDebian: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 |
nbdUbuntu: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
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected | |
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
securityfocus.com/bid/64002
ubuntu.com/usn/USN-2676-1
openwall.com/lists/oss-security/2013/11/29/4
sourceforge.net/mailarchive/forum.php?thread_name=529BAA58.2080401%40uter.be&forum_name=nbd-general
debian.org/security/2013/dsa-2806
nvd.nist.gov/vuln/detail/CVE-2013-6410