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Vulnerability of Mutt: Man-in-the-Middle via PREAUTH Response

Synthesis of the vulnerability 

An attacker can act as a Man-in-the-Middle via PREAUTH Response on Mutt, in order to read or write data in the session.
Impacted systems: Debian, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 2/4.
Creation date: 22/06/2020.
Références of this alert: bulletinoct2020, CVE-2020-14093, DLA-2268-1, DLA-2268-2, DSA-4707-1, DSA-4708-1, openSUSE-SU-2020:0903-1, openSUSE-SU-2020:0915-1, SUSE-SU-2020:14414-1, SUSE-SU-2020:1771-1, SUSE-SU-2020:1794-1, USN-4401-1, VIGILANCE-VUL-32597.

Description of the vulnerability 

An attacker can act as a Man-in-the-Middle via PREAUTH Response on Mutt, in order to read or write data in the session.
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This cybersecurity bulletin impacts software or systems such as Debian, openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity weakness is medium.

The trust level is of type confirmed by the editor, with an origin of internet server.

An attacker with a expert ability can exploit this computer vulnerability bulletin.

Solutions for this threat 

Debian 10: new neomutt packages.
New packages are available:
  Debian 10: neomutt 20180716+dfsg.1-1+deb10u1

Debian 8: new mutt packages.
New packages are available:
  Debian 8: mutt 1.5.23-3+deb8u3

Debian 9-10: new mutt packages.
New packages are available:
  Debian 9: mutt 1.7.2-1+deb9u3
  Debian 10: mutt 1.10.1-2.1+deb10u2

openSUSE Leap 15.1: new mutt packages.
New packages are available:
  openSUSE Leap 15.1: mutt 1.10.1-lp151.2.3.1

openSUSE Leap 15.2: new mutt packages.
New packages are available:
  openSUSE Leap 15.2: mutt 1.10.1-lp152.3.3.1

Oracle Solaris: patch for third party software of October 2020 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 11 SP3-4: new mutt packages.
New packages are available:
  SUSE LE 11 SP3: mutt 1.5.17-42.51.1
  SUSE LE 11 SP4: mutt 1.5.17-42.51.1

SUSE LE 12: new mutt packages.
New packages are available:
  SUSE LE 12 SP2: mutt 1.10.1-55.11.1
  SUSE LE 12 SP3: mutt 1.10.1-55.11.1
  SUSE LE 12 SP4: mutt 1.10.1-55.11.1
  SUSE LE 12 SP5: mutt 1.10.1-55.11.1

SUSE LE 15: new mutt packages.
New packages are available:
  SUSE LE 15 RTM: mutt 1.10.1-3.8.1
  SUSE LE 15 SP1: mutt 1.10.1-3.8.1
  SUSE LE 15 SP2: mutt 1.10.1-3.8.1

Ubuntu: new mutt packages.
New packages are available:
  Ubuntu 20.04 LTS: mutt 1.13.2-1ubuntu0.1
  Ubuntu 19.10: mutt 1.10.1-2.1ubuntu0.1
  Ubuntu 18.04 LTS: mutt 1.9.4-3ubuntu0.2
  Ubuntu 16.04 LTS: mutt 1.5.24-1ubuntu0.3
  Ubuntu 12.04 ESM: mutt 1.5.21-5ubuntu2.4
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