SB2015052904 - Resource management error in nbd.sourceforge.net nbd
Published: May 29, 2015 Updated: August 9, 2020
Security Bulletin ID
SB2015052904
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2013-7441)
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.
Remediation
Install update from vendor's website.
References
- 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