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UUDeview MIME Buffer Overflow


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200403-05 / UUDeview
Release Date March 26, 2004
Latest Revision March 26, 2004: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
app-text/uudeview < 0.5.20 >= 0.5.20 All supported architectures

Related bugreports: #44859


A specially-crafted MIME file (.mim, .uue, .uu, .b64, .bhx, .hqx, and .xxe extensions) may cause UUDeview to crash or execute arbitrary code.

2.  Impact Information


UUDeview is a program which is used to transmit binary files over the Internet in a text-only format. It is commonly used for email and Usenet attachments. It supports multiple encoding formats, including Base64, BinHex and UUEncoding.


By decoding a MIME archive with excessively long strings for various parameters, it is possible to crash UUDeview, or cause it to execute arbitrary code.

This vulnerability was originally reported by iDEFENSE as part of a WinZip advisory [ Reference: 1 ].


An attacker could create a specially-crafted MIME file and send it via email. When recipient decodes the file, UUDeview may execute arbitrary code which is embedded in the MIME file, thus granting the attacker access to the recipient's account.

3.  Resolution Information


There is no known workaround at this time. As a result, a software upgrade is required and users should upgrade to uudeview 0.5.20.


All users should upgrade to uudeview 0.5.20:

Code Listing 3.1: Resolution

# emerge sync
# emerge -pv ">=app-text/uudeview-0.5.20"
# emerge ">=app-text/uudeview-0.5.20"

4.  References


Page updated March 26, 2004

Summary: This is a Gentoo Linux Security Advisory

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