Remote code execution in adm-zip



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1002204
CWE-ID CWE-22
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 adm-zip
Client/Desktop applications / Software for archiving

Vendor The Brain

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Path traversal

EUVDB-ID: #VU14135

Risk: High

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2018-1002204

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct a directory traversal attack on the target system.

The vulnerability exists in the extractDir() function of QuaZIP due to improper validation of files inside an archive file. A remote unauthenticated attacker can trick the victim into extracting an archive file that contains a file using directory traversal characters, and cause the service to crash or execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note: This vulnerability is also known as 'Zip-Slip'.

Mitigation

Update to version 0.4.9.

Vulnerable software versions

adm-zip: 0.4.0 - 0.4.8

CPE2.3 External links

https://github.com/cthackers/adm-zip/pull/212/commits/6f4dfeb9a2166e93207443879988f97d88a37cde


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted archive.

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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