Metamail: Buffer overflow

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-mail/metamail	< 2.7.45.3-r1	>= 2.7.45.3-r1	All supported architectures

Related bugreports: #126052

A buffer overflow in Metamail could possibly be exploited to execute arbitrary code.

2. Impact Information

Metamail is a program that decodes MIME encoded mail.

Ulf Harnhammar discovered a buffer overflow in Metamail when processing mime boundraries.

By sending a specially crafted email, attackers could potentially exploit this vulnerability to crash Metamail or to execute arbitrary code.

3. Resolution Information

There is no known workaround at this time.

All Metamail users should update to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/metamail-2.7.45.3-r1"

4. References

Page updated March 17, 2006

Summary: This is a Gentoo Linux Security Advisory

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