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Vulnerability of Mutt: information disclosure via Connection After Expired Reject

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via Connection After Expired Reject of Mutt, in order to obtain sensitive information.
Impacted products: openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 23/06/2020.
Références of this threat: bulletinoct2020, CVE-2020-14154, 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-32601.

Description of the vulnerability 

An attacker can bypass access restrictions to data via Connection After Expired Reject of Mutt, in order to obtain sensitive information.
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This weakness announce impacts software or systems such as openSUSE Leap, Solaris, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability alert 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 threat announce.

Solutions for this threat 

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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