Nagios up to 4.0.2 cgi/statuswml.c process_cgivars input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Nagios. Impacted is the function process_cgivars of the file cgi/statuswml.c. Such manipulation leads to input validation. This vulnerability is listed as CVE-2013-7108. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Nagios (Log Management Software) and classified as critical. Affected by this issue is the function process_cgivars of the file cgi/statuswml.c. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

Multiple off-by-one errors in Nagios Core 3.5.1, 4.0.2, and earlier, and Icinga before 1.8.5, 1.9 before 1.9.4, and 1.10 before 1.10.2 allow remote authenticated users to obtain sensitive information from process memory or cause a denial of service (crash) via a long string in the last key value in the variable list to the process_cgivars function in (1) avail.c, (2) cmd.c, (3) config.c, (4) extinfo.c, (5) histogram.c, (6) notifications.c, (7) outages.c, (8) status.c, (9) statusmap.c, (10) summary.c, and (11) trends.c in cgi/, which triggers a heap-based buffer over-read.

The weakness was presented 12/20/2013 as confirmed mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability is handled as CVE-2013-7108 since 12/15/2013. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 75260 (openSUSE Security Update : nagios (openSUSE-SU-2014:0016-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176788 (Debian Security Update for nagios3 (DLA 1615-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (38882), Tenable (75260), SecurityFocus (BID 64363†), OSVDB (101326†) and Secunia (SA55976†). bugzilla.redhat.com is providing further details. See VDB-11589, VDB-66477, VDB-66071 and VDB-66069 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 75260
Nessus Name: openSUSE Security Update : nagios (openSUSE-SU-2014:0016-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 702956
OpenVAS Name: Debian Security Advisory DSA 2956-1 (icinga - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Timelineinfo

12/15/2013 🔍
12/16/2013 +1 days 🔍
12/20/2013 +4 days 🔍
12/23/2013 +3 days 🔍
12/24/2013 +1 days 🔍
12/27/2013 +3 days 🔍
01/15/2014 +19 days 🔍
06/13/2014 +149 days 🔍
06/27/2024 +3667 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-7108 (🔍)
GCVE (CVE): GCVE-0-2013-7108
GCVE (VulDB): GCVE-100-11588

OVAL: 🔍

SecurityFocus: 64363 - Icinga Web GUI CVE-2013-7108 Multiple Off-By-One Memory Corruption Vulnerabilities
Secunia: 55976 - Nagios "process_cgivars()" Off-By-One Vulnerabilities, Moderately Critical
OSVDB: 101326

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 12/24/2013 23:25
Updated: 06/27/2024 08:18
Changes: 12/24/2013 23:25 (77), 04/30/2019 17:32 (3), 06/27/2024 08:18 (25)
Complete: 🔍
Cache ID: 216:F0F:103

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