VDB-11588 · CVE-2013-7108 · BID 64363

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

CVSS Meta Temp Score
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7.2$0-$5k0.00

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. There are known technical details, but no exploit is available.

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 vulnerability database at Tenable (75260). bugzilla.redhat.com is providing further details. See 11589, 66477, 66071 and 66069 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Nessus ID: 75260
Nessus Name: openSUSE Security Update : nagios (openSUSE-SU-2014:0016-1)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 702956
OpenVAS Name: Debian Security Advisory DSA 2956-1 (icinga - security update)
OpenVAS File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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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 🔍
04/30/2019 +1782 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-7108 (🔍)
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

Misc.: 🔍
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Entryinfo

Created: 12/24/2013 23:25
Updated: 04/30/2019 17:32
Changes: 12/24/2013 23:25 (77), 04/30/2019 17:32 (3)
Complete: 🔍

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