Executive Summary

Summary
Title shar vulnerabilities
Informations
Name USN-102-1 First vendor Publication 2005-03-29
Vendor Ubuntu Last vendor Modification 2005-03-29
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score Not Defined Attack Range Not Defined
Cvss Impact Score Not Defined Attack Complexity Not Defined
Cvss Expoit Score Not Defined Authentication Not Defined
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects the following Ubuntu releases:

Ubuntu 4.10 (Warty Warthog)

The following packages are affected:

sharutils

The problem can be corrected by upgrading the affected package to version 1:4.2.1-10ubuntu0.1. In general, a standard system upgrade is sufficient to effect the necessary changes.

Details follow:

Shaun Colley discovered a buffer overflow in "shar" that was triggered by output files (specified with -o) with names longer than 49 characters. This could be exploited to run arbitrary attacker specified code on systems that automatically process uploaded files with shar.

Ulf Harnhammar discovered that shar does not check the data length returned by the 'wc' command. However, it is believed that this cannot actually be exploited on real systems.

Original Source

Url : http://www.ubuntu.com/usn/USN-102-1

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Date Informations
2014-02-17 11:58:05
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