#VU1358 Buffer overflow in Lhaz - CVE-2007-4428

Vulnerability identifier: #VU1358

Vulnerability risk: Critical

CVSSv4.0: 8.4 [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:A/U:Red]

CVE-ID: CVE-2007-4428

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Lhaz
Client/Desktop applications / Software for archiving

Vendor: Chitora

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing ZIP files. A remote attacker can create a specially crafted .zip archive, trick the victim into opening it, cause buffer overflow and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Mitigation
Install patched version 1.34b1 from vendor's website.

Vulnerable software versions

Lhaz: 1.33

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External links
https://www.securityfocus.com/bid/25351
https://exchange.xforce.ibmcloud.com/vulnerabilities/36120

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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.