Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | N/A |
CWE-ID | CWE-78 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
bestzip Web applications / Modules and components for CMS |
Vendor | Nicehop |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU46703
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to sanitize input rules and passes it directly to an exec call on the zip function . attackers to execute arbitrary code in the system as long as the values of destination is user-controlled. This only affects users with a native zip command available. The following examples demonstrate the issue from the CLI and also programatically:
bestzip test.zip 'sourcefile; mkdir folder'
zip({ source: 'sourcefile', destination: './test.zip; mkdir folder' })
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate to version 2.1.7.
Vulnerable software versionsbestzip: 1.0.0 - 2.1.6
External linkshttp://www.npmjs.com/advisories/1554
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.