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Debian: DSA 384-1 Critical: Sendmail Remote Code Execution Risk

debian
Calendar Grey September 18, 2003
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Timely action is required regarding sendmail flaws; update your Debian software installs at once to uphold security protocols.
There are multiple buffer overflow vulnerabilities in the sendmail package.

Summary

Two vulnerabilities were reported in sendmail.

- CAN-2003-0681

A "potential buffer overflow in ruleset parsing" for Sendmail
8.12.9, when using the nonstandard rulesets (1) recipient (2),
final, or (3) mailer-specific envelope recipients, has unknown
consequences.

- CAN-2003-0694

The prescan function in Sendmail 8.12.9 allows remote attackers to
execute arbitrary code via buffer overflow attacks, as demonstrated
using the parseaddr function in parseaddr.c.

For the stable distribution (woody) these problems have been fixed in
sendmail version 8.12.3-6.6 and sendmail-wide version
8.12.3+3.5Wbeta-5.5.

For the unstable distribution (sid) these problems have been fixed in
sendmail version 8.12.10-1.

We recommend that you update your sendmail package.

Upgrade Instructions
- --------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-g...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Package: sendmail

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