Test ID:	1.3.6.1.4.1.25623.1.0.891846
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-1846-1)
Summary:	The remote host is missing an update for the Debian 'unzip' package(s) announced via the DLA-1846-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'unzip' package(s) announced via the DLA-1846-1 advisory. Vulnerability Insight: David Fifield discovered a way to construct non-recursive zip bombs that achieve a high compression ratio by overlapping files inside the zip container. However the output size increases quadratically in the input size, reaching a compression ratio of over 28 million (10 MB -> 281 TB) at the limits of the zip format which can cause a denial-of-service. Mark Adler provided a patch to detect and reject such zip files for the unzip program. For Debian 8 Jessie, this problem has been fixed in version 6.0-16+deb8u4. We recommend that you upgrade your unzip packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'unzip' package(s) on Debian 8. Solution: Please install the updated package(s). CVSS Score: 2.1 CVSS Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2019-13232 https://security.gentoo.org/glsa/202003-58 https://github.com/madler/unzip https://www.bamsoftware.com/hacks/zipbomb/ https://lists.debian.org/debian-lts-announce/2019/07/msg00005.html https://lists.debian.org/debian-lts-announce/2019/07/msg00027.html
Copyright	Copyright (C) 2019 Greenbone AG

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