Link following in nagios-plugins (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-4703
CWE-ID CWE-59
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 nagios-plugins (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Link following

EUVDB-ID: #VU33657

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2014-4703

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: Yes

Description

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

lib/parse_ini.c in Nagios Plugins 2.0.2 allows local users to obtain sensitive information via a symlink attack on the configuration file in the extra-opts flag. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-4701.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nagios-plugins (Alpine package): 1.4.16-r8

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=e5d5393c403555c37e4a36861821a0dceab2316a


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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