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-200410-01] sharutils: Buffer overflows in shar.c and unshar.c


Vulnerability Assessment Details

[GLSA-200410-01] sharutils: Buffer overflows in shar.c and unshar.c

Vulnerability Assessment Summary
sharutils: Buffer overflows in shar.c and unshar.c

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200410-01
(sharutils: Buffer overflows in shar.c and unshar.c)


sharutils contains two buffer overflows. Ulf Harnhammar discovered a buffer
overflow in shar.c, where the length of data returned by the wc command is
not checked. Florian Schilhabel discovered another buffer overflow in
unshar.c.

Impact

A possible hacker could exploit these vulnerabilities to execute arbitrary code
as the user running one of the sharutils programs.

Workaround

There is no known workaround at this time.

References:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=265904


Solution:
All sharutils users should upgrade to the latest version:
# emerge sync
# emerge -pv ">=app-arch/sharutils-4.2.1-r10"
# emerge ">=app-arch/sharutils-4.2.1-r10"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

Cables, Connectors

JUNIPER ENTERPRISE ROUTING - MX5-T-AC
$23510.91
JUNIPER ENTERPRISE ROUTING - MX5-T-AC pictureJUNIPER EX SERIES SWITCHING - EX4200-48PX
$8624.81
JUNIPER EX SERIES SWITCHING - EX4200-48PX pictureJUNIPER IDP - QFX-SFP-DAC-1M
$106.22
JUNIPER IDP - QFX-SFP-DAC-1M pictureJUNIPER ENTERPRISE ROUTING - CBL-M-PWR-RA-US
$80.56
JUNIPER ENTERPRISE ROUTING - CBL-M-PWR-RA-US picture


Discussions

No Discussions have been posted on this vulnerability.