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[ GLSA 200603-21 ] Sendmail: Race condition in the handling of asynchronous signals
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GLSA
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Joined: 12 May 2004
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PostPosted: Wed Mar 22, 2006 8:26 pm    Post subject: [ GLSA 200603-21 ] Sendmail: Race condition in the handling Reply with quote

Gentoo Linux Security Advisory

Title: Sendmail: Race condition in the handling of asynchronous signals (GLSA 200603-21)
Severity: high
Exploitable: remote
Date: March 22, 2006
Bug(s): #125623
ID: 200603-21

Synopsis


Sendmail is vulnerable to a race condition which could lead to the
execution of arbitrary code with sendmail privileges.


Background


Sendmail is a popular mail transfer agent (MTA).


Affected Packages

Package: mail-mta/sendmail
Vulnerable: < 8.13.6
Unaffected: >= 8.13.6
Architectures: All supported architectures


Description


ISS discovered that Sendmail is vulnerable to a race condition in
the handling of asynchronous signals.


Impact


An attacker could exploit this via certain crafted timing
conditions.


Workaround


There is no known workaround at this time.


Resolution


All Sendmail users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-mta/sendmail-8.13.6"


References

CVE-2006-0058
Sendmail Inc. advisory


Last edited by GLSA on Tue Jun 15, 2010 4:22 am; edited 5 times in total
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