Bug 152574 - CAN-2004-1773 Buffer overflows in unshar
CAN-2004-1773 Buffer overflows in unshar
Status: CLOSED ERRATA
Product: Fedora
Classification: Fedora
Component: sharutils (Show other bugs)
3
All Linux
medium Severity low
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Assigned To: Ngo Than
impact=low,public=20041001,source=cve...
: Security
Depends On:
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Reported: 2005-03-30 09:22 EST by Josh Bressers
Modified: 2007-11-30 17:11 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2005-03-30 18:10:14 EST
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Description Josh Bressers 2005-03-30 09:22:05 EST
+++ This bug was initially created as a clone of Bug #152573 +++

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.

To test this:
unshar `perl -e 'print "A"x2000'`/tmp/testing

There is a patch in the gentoo BTS:
http://bugs.gentoo.org/show_bug.cgi?id=65773
Comment 1 Josh Bressers 2005-03-30 09:22:39 EST
This issue also affects FC2
Comment 2 Ngo Than 2005-03-30 18:10:14 EST
it's fixed in sharutils-4.2.1-22.1.FC3

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