Xymon up to 4.1.x/4.2.x/4.3.24 xymond xymond/xymond.c filename memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Xymon up to 4.1.x/4.2.x/4.3.24. This affects an unknown function of the file xymond/xymond.c of the component xymond. The manipulation of the argument filename results in memory corruption. This vulnerability is reported as CVE-2016-2054. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as very critical has been found in Xymon up to 4.1.x/4.2.x/4.3.24. Affected is an unknown code block of the file xymond/xymond.c of the component xymond. The manipulation of the argument filename 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:

Multiple buffer overflows in xymond/xymond.c in xymond in Xymon 4.1.x, 4.2.x, and 4.3.x before 4.3.25 allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a long filename, involving handling a "config" command.

The weakness was disclosed 04/13/2016 (Website). The advisory is shared for download at lists.xymon.com. This vulnerability is traded as CVE-2016-2054 since 01/24/2016. 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 (estimation calculated on 07/24/2022).

The vulnerability scanner Nessus provides a plugin with the ID 89046 (FreeBSD : xymon-server -- multiple vulnerabilities (1cecd5e0-c372-11e5-96d6-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175653 (Debian Security Update for xymon (DSA 3495-1)).

Upgrading to version 4.3.25 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (89046). The entries VDB-82333, VDB-82334, VDB-82335 and VDB-82336 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 89046
Nessus Name: FreeBSD : xymon-server -- multiple vulnerabilities (1cecd5e0-c372-11e5-96d6-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703495
OpenVAS Name: Debian Security Advisory DSA 3495-1 (xymon - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Xymon 4.3.25

Timelineinfo

01/24/2016 🔍
04/13/2016 +79 days 🔍
04/13/2016 +0 days 🔍
04/14/2016 +1 days 🔍
07/24/2022 +2292 days 🔍

Sourcesinfo

Advisory: 135758
Status: Not defined

CVE: CVE-2016-2054 (🔍)
GCVE (CVE): GCVE-0-2016-2054
GCVE (VulDB): GCVE-100-82332
See also: 🔍

Entryinfo

Created: 04/14/2016 09:59
Updated: 07/24/2022 12:30
Changes: 04/14/2016 09:59 (55), 10/06/2018 11:16 (14), 07/24/2022 12:23 (3), 07/24/2022 12:30 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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