7.5
HIGH CVSS 2.0
CVE-2011-0530
NBD Server Buffer Overflow
Description

Buffer overflow in the mainloop function in nbd-server.c in the server in Network Block Device (nbd) before 2.9.20 might allow remote attackers to execute arbitrary code via a long request. NOTE: this issue exists because of a CVE-2005-3534 regression.

INFO

Published Date :

Feb. 22, 2011, 7 p.m.

Last Modified :

April 11, 2025, 12:51 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2011-0530 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wouter_verhelst nbd
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2011-0530.

URL Resource
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611187
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054071.html Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054083.html Patch
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://openwall.com/lists/oss-security/2011/01/28/3 Patch
http://openwall.com/lists/oss-security/2011/01/31/7 Patch
http://secunia.com/advisories/43353 Vendor Advisory
http://secunia.com/advisories/43610
http://security.gentoo.org/glsa/glsa-201206-35.xml
http://www.debian.org/security/2011/dsa-2183
http://www.securityfocus.com/bid/46572
http://www.vupen.com/english/advisories/2011/0403 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0582
https://bugzilla.redhat.com/show_bug.cgi?id=673562 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/65720
https://github.com/yoe/nbd/commit/3ef52043861ab16352d49af89e048ba6339d6df8 Patch
https://hermes.opensuse.org/messages/8086846
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611187
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054071.html Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054083.html Patch
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://openwall.com/lists/oss-security/2011/01/28/3 Patch
http://openwall.com/lists/oss-security/2011/01/31/7 Patch
http://secunia.com/advisories/43353 Vendor Advisory
http://secunia.com/advisories/43610
http://security.gentoo.org/glsa/glsa-201206-35.xml
http://www.debian.org/security/2011/dsa-2183
http://www.securityfocus.com/bid/46572
http://www.vupen.com/english/advisories/2011/0403 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0582
https://bugzilla.redhat.com/show_bug.cgi?id=673562 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/65720
https://github.com/yoe/nbd/commit/3ef52043861ab16352d49af89e048ba6339d6df8 Patch
https://hermes.opensuse.org/messages/8086846
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2011-0530 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2011-0530 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-0530 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2011-0530 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611187
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054071.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2011-February/054083.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
    Added Reference http://openwall.com/lists/oss-security/2011/01/28/3
    Added Reference http://openwall.com/lists/oss-security/2011/01/31/7
    Added Reference http://secunia.com/advisories/43353
    Added Reference http://secunia.com/advisories/43610
    Added Reference http://security.gentoo.org/glsa/glsa-201206-35.xml
    Added Reference http://www.debian.org/security/2011/dsa-2183
    Added Reference http://www.securityfocus.com/bid/46572
    Added Reference http://www.vupen.com/english/advisories/2011/0403
    Added Reference http://www.vupen.com/english/advisories/2011/0582
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=673562
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/65720
    Added Reference https://github.com/yoe/nbd/commit/3ef52043861ab16352d49af89e048ba6339d6df8
    Added Reference https://hermes.opensuse.org/messages/8086846
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 17, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/65720 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/65720 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 22, 2011

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

8.41 }} 0.53%

score

0.91862

percentile