OS Command Injection in nrpe (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-1362
CWE-ID CWE-78
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 nrpe (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU45691

Risk: High

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2013-1362

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

Incomplete blacklist vulnerability in nrpc.c in Nagios Remote Plug-In Executor (NRPE) before 2.14 might allow remote attackers to execute arbitrary shell commands via "$()" shell metacharacters, which are processed by bash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nrpe (Alpine package): 2.12-r8 - 2.13-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=6aae23e6b0728ce3aa88986707e0dc22db3ec67d
https://git.alpinelinux.org/aports/commit/?id=074165486515f6ff65577079ab0d88783cbbefa7
https://git.alpinelinux.org/aports/commit/?id=a5ea713c5b27940381f4007a003a491debbfc343
https://git.alpinelinux.org/aports/commit/?id=f050eaa469a79457c23ea32c3120fac54f2c1b27


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.



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