OS command injection in php5 (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-19158
CWE-ID CWE-78
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 php5 (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) OS command injection

EUVDB-ID: #VU16316

Risk: Low

CVSSv4.0: 8.9 [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:P/U:Clear]

CVE-ID: CVE-2018-19158

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

Exploit availability: No

Description

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

The weakness exists due to OS command injection in imap_open. A remote attacker can bypass disabled exec functions in PHP and run arbitrary shell commands via mailbox parameter.

Mitigation

Install update from vendor's website.

Vulnerable software versions

php5 (Alpine package): 5.6.30-r0 - 5.6.40-r0

php5 (Alpine package):

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=195c4dea4525cc85ef4ab449d2c739b6b5081b48


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, proof of concept for this vulnerability is available.



###SIDEBAR###