Nagios up to 4.0.2 contrib/daemonchk.c process_cgivars input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Nagios. The affected element is the function process_cgivars of the file contrib/daemonchk.c. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2013-7108. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Nagios (Log Management Software). It has been classified as critical. This affects the function process_cgivars of the file contrib/daemonchk.c. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

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 shared 12/20/2013 as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2013-7108 since 12/15/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176788 (Debian Security Update for nagios3 (DLA 1615-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13496.

The vulnerability is also documented in the databases at X-Force (89801), Exploit-DB (38882), Tenable (75260), SecurityFocus (BID 64363†) and OSVDB (101327†). Further details are available at bugzilla.redhat.com. The entries VDB-11588, VDB-66477, VDB-66071 and VDB-66069 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
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: 🔍

EPSS Score: 🔍
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 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: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍
ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/15/2013 🔍
12/16/2013 +1 days 🔍
12/16/2013 +0 days 🔍
12/20/2013 +4 days 🔍
12/24/2013 +4 days 🔍
01/15/2014 +22 days 🔍
01/20/2014 +5 days 🔍
06/13/2014 +144 days 🔍
06/28/2024 +3668 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-7108 (🔍)
GCVE (CVE): GCVE-0-2013-7108
GCVE (VulDB): GCVE-100-11589

OVAL: 🔍

X-Force: 89801
SecurityFocus: 64363 - Icinga Web GUI CVE-2013-7108 Multiple Off-By-One Memory Corruption Vulnerabilities
Secunia: 55976 - Nagios "process_cgivars()" Off-By-One Vulnerability, Moderately Critical
OSVDB: 101327
Vulnerability Center: 43026 - Nagios Core and Icinga Remote Information Disclosure and DoS Vulnerability in process_cgivars(), Medium

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

Entryinfo

Created: 12/24/2013 23:27
Updated: 06/28/2024 18:05
Changes: 12/24/2013 23:27 (76), 05/19/2017 11:32 (8), 06/04/2021 14:28 (3), 06/28/2024 18:05 (24)
Complete: 🔍
Cache ID: 216:A56:103

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