#VU29255 Resource exhaustion in UnZip - CVE-2019-13232

Vulnerability identifier: #VU29255

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-13232

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

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

Vendor: Info-ZIP

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack via a specially crafted zip file.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

UnZip: 5.2 - 6.10 b

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External links
https://github.com/madler/unzip
https://lists.debian.org/debian-lts-announce/2019/07/msg00005.html
https://lists.debian.org/debian-lts-announce/2019/07/msg00027.html
https://security.gentoo.org/glsa/202003-58
https://security.netapp.com/advisory/ntap-20190814-0002/
https://support.f5.com/csp/article/K80311892?utm_source=f5support&utm_medium=RSS
https://www.bamsoftware.com/hacks/zipbomb/

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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.