sharutils shar utility buffer overflow
| sharutils-shar-bo (15759) |  High Risk |
Description:
The sharutils package, included with many Linux distributions, is vulnerable to a stack-based buffer overflow in the shar utility, caused by improper bounds checking. A local attacker could supply a long string to the '-o' command-line option to overflow a buffer and possibly execute arbitrary code on the system.
Consequences:
Gain Privileges
Remedy:
For Gentoo Linux:
Upgrade to the latest version of sharutils (4.2.1-r10 or later), as listed in GLSA 200410-01. See References.
For Turbolinux:
Upgrade to the latest sharutils package, as listed below. Refer to Turbolinux Security Advisory TLSA-2005-54 for more information. See References.
Turbolinux Appliance Server 1.0 Hosting Edition: 4.2.1-16 or later
Turbolinux 10 Server: 4.2.1-16 or later
Turbolinux Home: 4.2.1-16 or later
Turbolinux 10 Desktop: 4.2.1-16 or later
Turbolinux 8 Server: 4.2.1-16 or later
Turbolinux 8 Workstation: 4.2.1-16 or later
Turbolinux 7 Server: 4.2.1-16 or later
Turbolinux 7 Workstation: 4.2.1-16 or later
For Red Hat Linux:
Refer to RHSA-2005:377-07 for patch, upgrade, or suggested workaround information. See References.
For OpenPKG:
Refer to OpenPKG Security Advisory OpenPKG-SA-2004.011 for patch, upgrade, or suggested workaround information. See References.
For Ubuntu Linux:
Refer to USN-102-1 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- BugTraq Mailing List, Tue Apr 06 2004 - 14:04:15 CDT : GNU Sharutils buffer overflow vulnerability..
- BID-10066: GNU Sharutils shar Command Line Parsing Buffer Overflow Vulnerability
- BID-11298: GNU Sharutils Multiple Buffer Overflow Vulnerabilities
- CVE-2004-1772: Stack-based buffer overflow in shar in GNU sharutils 4.2.1 allows local users to execute arbitrary code via a long -o command line argument.
- CVE-2004-1773: Multiple buffer overflows in sharutils 4.2.1 and earlier may allow attackers to execute arbitrary code via (1) long output from wc to shar, or (2) unknown vectors in unshar.
- GLSA-200410-01: sharutils: Buffer overflows in shar.c and unshar.c
- MDKSA-2005:067: Updated sharutils packages fix multiple vulnerabilities
- OpenPKG-SA-2004.011: Sharutils
- RHSA-2005-377: sharutils security update
Platforms Affected:
- Canonical Ubuntu 4.10
- Gentoo Linux
- GNU sharutils 4.2.1
- MandrakeSoft Mandrake Linux 10.0 AMD64
- MandrakeSoft Mandrake Linux 10.0
- MandrakeSoft Mandrake Linux 10.1 X86_64
- MandrakeSoft Mandrake Linux 10.1
- MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 2.1
- MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 3.0
- OpenPKG OpenPKG 1.3
- OpenPKG OpenPKG 2.0
- OpenPKG OpenPKG CURRENT
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 Desktop
- RedHat Enterprise Linux 3 AS
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 4 AS
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 Desktop
- RedHat Linux Advanced Workstation 2.1 Itanium
- Turbolinux Turbolinux 10 Desktop
- Turbolinux Turbolinux 10 F...
- Turbolinux Turbolinux 10 Server
- Turbolinux Turbolinux 7 Server
- Turbolinux Turbolinux 7 Workstation
- Turbolinux Turbolinux 8 Server
- Turbolinux Turbolinux 8 Workstation
- Turbolinux Turbolinux Home
- Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
Reported:
Apr 06, 2004
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