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Multiple vulnerabilities in metamail


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200405-17 / metamail
Release Date May 21, 2004
Latest Revision May 21, 2004: 01
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-mail/metamail < >= All supported architectures

Related bugreports: #42133


Several format string bugs and buffer overflows were discovered in metamail, potentially allowing execution of arbitrary code remotely.

2.  Impact Information


Metamail is a program that decodes MIME encoded mail. It is therefore often automatically called when an email is received or read.


Ulf Harnhammar found two format string bugs and two buffer overflow bugs in Metamail.


A remote attacker could send a malicious email message and execute arbitrary code with the rights of the process calling the Metamail program.

3.  Resolution Information


There is no known workaround at this time.


All users of Metamail should upgrade to the latest stable version:

Code Listing 3.1: Resolution

# emerge sync
# emerge -pv ">=net-mail/metamail-"
# emerge ">=net-mail/metamail-"

4.  References


Page updated May 21, 2004

Summary: This is a Gentoo Linux Security Advisory

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