FreeBSD up to 10.0 GETBULK PDU Request bsnmpd memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeBSD up to 10.0 and classified as critical. This impacts an unknown function of the file bsnmpd of the component GETBULK PDU Request Handler. The manipulation results in memory corruption. This vulnerability was named CVE-2014-1452. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in FreeBSD up to 10.0 (Operating System). Affected is an unknown code of the file bsnmpd of the component GETBULK PDU Request Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in lib/snmpagent.c in bsnmpd, as used in FreeBSD 8.3 through 10.0, allows remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via a crafted GETBULK PDU request.

The weakness was presented 01/14/2014 by Dirk Meyer as bsnmpd remote denial of service vulnerability as confirmed advisory (Website). The advisory is shared for download at freebsd.org. The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2014-1452 since 01/14/2014. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/08/2021).

The vulnerability scanner Nessus provides a plugin with the ID 92897 (FreeBSD : FreeBSD -- bsnmpd remote denial of service vulnerability (4c96ecf2-5fd9-11e6-a6c3-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading to version 10.0-RELEASE, 10.0-RC5-p1, 10.0-RC4-p1, 10.0-RC3-p1, 10.0-RC2-p1, 10.0-RC1-p1, 9.2-STABLE, 9.2-RELEASE-p3, 9.1-RELEASE-p10, 8.4-STABLE, 8.4-RELEASE-p7, 8.3-RELEASE-p14 or higher eliminates this vulnerability. The upgrade is hosted for download at freebsd.org. Applying the patch bsnmpd Patch is able to eliminate this problem. The bugfix is ready for download at security.freebsd.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13774.

The vulnerability is also documented in the databases at Tenable (92897), SecurityFocus (BID 64967†), OSVDB (102144†), Secunia (SA56496†) and Vulnerability Center (SBV-42957†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92897
Nessus Name: FreeBSD : FreeBSD -- bsnmpd remote denial of service vulnerability (4c96ecf2-5fd9-11e6-a6c3-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FreeBSD 10.0-RELEASE/10.0-RC5-p1/10.0-RC4-p1/10.0-RC3-p1/10.0-RC2-p1/10.0-RC1-p1/9.2-STABLE/9.2-RELEASE-p3/9.1-RELEASE-p10/8.4-STABLE/8.4-RELEASE-p7/ 8.3-RELEASE-p14/higher
Patch: bsnmpd Patch
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/14/2014 🔍
01/14/2014 +0 days 🔍
01/14/2014 +0 days 🔍
01/15/2014 +1 days 🔍
01/15/2014 +0 days 🔍
01/16/2014 +1 days 🔍
01/17/2014 +1 days 🔍
01/21/2014 +4 days 🔍
06/08/2021 +2695 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: bsnmpd remote denial of service vulnerability
Researcher: Dirk Meyer
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-1452 (🔍)
GCVE (CVE): GCVE-0-2014-1452
GCVE (VulDB): GCVE-100-11988
SecurityFocus: 64967 - FreeBSD bsnmpd 'GETBULK PDU' Request Remote Stack Buffer Overflow Vulnerability
Secunia: 56496
OSVDB: 102144
SecurityTracker: 1029616
Vulnerability Center: 42957 - FreeBSD Remote Code Execution and Denial of Service Vulnerability due to a Flaw in the bsnmpd(8) Daemon, Medium

Entryinfo

Created: 01/17/2014 10:10
Updated: 06/08/2021 12:17
Changes: 01/17/2014 10:10 (70), 05/19/2017 10:58 (10), 06/08/2021 12:09 (2), 06/08/2021 12:17 (1)
Complete: 🔍
Committer:
Cache ID: 216:83C:103

Once again VulDB remains the best source for vulnerability data.

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