Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200406-18] gzip: Insecure creation of temporary files


Vulnerability Assessment Details

[GLSA-200406-18] gzip: Insecure creation of temporary files

Vulnerability Assessment Summary
gzip: Insecure creation of temporary files

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200406-18
(gzip: Insecure creation of temporary files)


The script gzexe included with gzip contains a bug in the code that handles
tempfile creation. If the creation of a temp file fails when using gzexe
fails instead of bailing out it executes the command given as argument.

Impact

This could lead to priviege escalation by running commands under the rights
of the user running the self extracting file.

Workaround

There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version.


Solution:
All gzip users should upgrade to the latest stable version:
# emerge sync
# emerge -pv ">=app-arch/gzip-1.3.3-r4"
# emerge ">=app-arch/gzip-1.3.3-r4"
Additionally, once the upgrade is complete, all self extracting files
created with earlier versions gzexe should be recreated, since the
vulnerability is actually embedded in those executables.


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

Cables, Connectors

Mid-Level Enterprise HP DL360 G7 Server 2x 2.66Ghz X5650 6C 32GB
$302.5
Mid-Level Enterprise HP DL360 G7 Server 2x 2.66Ghz X5650 6C 32GB pictureDell R620 10 Bay 2 x E5-2630 (12 Cores Total) 8 x 500GB HDD H310 48GB RAM 2PS
$1696.0
Dell R620 10 Bay 2 x E5-2630 (12 Cores Total) 8 x 500GB HDD H310 48GB RAM 2PS pictureWindows Server Standard 2012 R2 x64 ( 2CPU/2VM )
$59.0
Windows Server Standard 2012 R2 x64 ( 2CPU/2VM ) pictureLot of 11 Intel Xeon E5540 2.53MHz 8M LGA1366 SLBF6 Quad Core Server CPUs^
$39.52
Lot of 11 Intel Xeon E5540 2.53MHz 8M LGA1366 SLBF6 Quad Core Server CPUs^ picture


Discussions

No Discussions have been posted on this vulnerability.