Resource management error in nbd - CVE-2013-7441
Published: May 29, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40757
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-7441
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: nbd.sourceforge.net
Affected software:
nbd
nbd
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
How to mitigate CVE-2013-7441
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00003.html
- http://sourceforge.net/p/nbd/mailman/message/30410146/
- http://www.debian.org/security/2015/dsa-3271
- http://www.openwall.com/lists/oss-security/2015/05/19/6
- http://www.openwall.com/lists/oss-security/2015/05/21/5
- http://www.securityfocus.com/bid/74808
- http://www.ubuntu.com/usn/USN-2676-1
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=781547
- https://github.com/yoe/nbd/commit/741495cb08503fd32a9d22648e63b64390c601f4