netqmail: Multiple vulnerabilities

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3353
                   USN-4556-1: netqmail vulnerabilities
                             30 September 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           netqmail
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Unknown/Unspecified   
                   Denial of Service               -- Unknown/Unspecified   
                   Access Confidential Data        -- Existing Account      
                   Unauthorised Access             -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-3812 CVE-2020-3811 CVE-2005-1515
                   CVE-2005-1514 CVE-2005-1513 

Reference:         ESB-2020.1967
                   ESB-2020.1841

Original Bulletin: 
   https://usn.ubuntu.com/4556-1/

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USN-4556-1: netqmail vulnerabilities
29 September 2020

netqmail could be made to crash or run programs as any user (except root) if it
received specially crafted network traffic.
Releases

  o Ubuntu 20.04 LTS

Packages

  o netqmail - a secure, reliable, efficient, simple message transfer agent

Details

It was discovered that netqmail did not properly handle certain input. Both
remote and local attackers could use this vulnerability to cause netqmail
to crash or execute arbitrary code. (CVE-2005-1513, CVE-2005-1514,
CVE-2005-1515)

It was discovered that netqmail did not properly handle certain input when
validating email addresses. An attacker could use this to bypass email
address validation. (CVE-2020-3811)

It was discovered that netqmail did not properly handle certain input when
validating email addresses. An attacker could use this vulnerability to
cause netqmail to disclose sensitive information. (CVE-2020-3812)

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 20.04

  o qmail - 1.06-6.2~deb10u1build0.20.04.1
  o qmail-uids-gids - 1.06-6.2~deb10u1build0.20.04.1

In general, a standard system update will make all the necessary changes.

References

  o CVE-2005-1513
  o CVE-2005-1514
  o CVE-2005-1515
  o CVE-2020-3811
  o CVE-2020-3812

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