Resource management error in unzip (Alpine package)

1) Resource management error

EUVDB-ID: #VU33149

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-7697

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Info-ZIP UnZip 6.0 allows remote attackers to cause a denial of service (infinite loop) via empty bzip2 data in a ZIP archive.

Mitigation

Install update from vendor's website.

Vulnerable software versions

unzip (Alpine package): 6.0-r2

External links

http://git.alpinelinux.org/aports/commit/?id=2d5ea9b0ef18df74869bf77e2b9b7beda9a8cfe8
http://git.alpinelinux.org/aports/commit/?id=55374a75a54b07b8c1d75d154dfc2524813d6f09
http://git.alpinelinux.org/aports/commit/?id=8c7e0d5c8061d459c8b2b33b122206ec6fa59163
http://git.alpinelinux.org/aports/commit/?id=1a9d4e34862869cd3a82d1ce5c75be04b144229a
http://git.alpinelinux.org/aports/commit/?id=6ece7a7a8aae5e1063c1441b28969ffba2fb3228
http://git.alpinelinux.org/aports/commit/?id=72e1f06331bda12d25432e1c3c502a08c3e7529f
http://git.alpinelinux.org/aports/commit/?id=b8ea797bc3374e3cd762e284d9e600ff4935b864
http://git.alpinelinux.org/aports/commit/?id=c15201030ffd0c922075b586e73f318ca8d6857c

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.