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Vulnerability of libexif: infinite loop via XIF_IFD_INTEROPERABILITY

Synthesis of the vulnerability 

An attacker can trigger an infinite loop via XIF_IFD_INTEROPERABILITY of libexif, in order to trigger a denial of service.
Vulnerable software: Debian, Fedora, openSUSE Leap, Solaris, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this announce: 2/4.
Creation date: 15/02/2019.
Références of this computer vulnerability: CVE-2018-20030, DLA-2214-1, DLA-2222-1, FEDORA-2019-02e13cb1a8, FEDORA-2019-e2f47b40a3, openSUSE-SU-2020:0264-1, openSUSE-SU-2020:0793-1, SSA:2020-140-02, SUSE-SU-2020:0457-1, SUSE-SU-2020:0458-1, SUSE-SU-2020:14294-1, SUSE-SU-2020:1534-1, SUSE-SU-2020:1553-2, USN-4358-1, VIGILANCE-VUL-28519.

Description of the vulnerability 

An attacker can trigger an infinite loop via XIF_IFD_INTEROPERABILITY of libexif, in order to trigger a denial of service.
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This security note impacts software or systems such as Debian, Fedora, openSUSE Leap, Solaris, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this threat announce is medium.

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

An attacker with a expert ability can exploit this computer weakness announce.

Solutions for this threat 

Debian 8: new libexif packages (18/05/2020).
New packages are available:
  Debian 8: libexif 0.6.21-2+deb8u2

Debian 8: new libexif packages (28/05/2020).
New packages are available:
  Debian 8: libexif 0.6.21-2+deb8u3

Fedora: new libexif packages.
New packages are available:
  Fedora 28: libexif 0.6.21-19.fc28
  Fedora 29: libexif 0.6.21-19.fc29

openSUSE Leap 15.1: new libexif packages (02/03/2020).
New packages are available:
  openSUSE Leap 15.1: libexif 0.6.21-lp151.4.3.1

openSUSE Leap 15.1: new libexif packages (11/06/2020).
New packages are available:
  openSUSE Leap 15.1: libexif 0.6.22-lp151.4.6.1

Oracle Solaris: patch for third party software of October 2019 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

Slackware: new libexif packages.
New packages are available:
  Slackware 14.0: libexif 0.6.22-*-1_slack14.0
  Slackware 14.1: libexif 0.6.22-*-1_slack14.1
  Slackware 14.2: libexif 0.6.22-*-1_slack14.2

SUSE LE 11 SP3/4: new libexif packages.
New packages are available:
  SUSE LE 11 SP3: libexif 0.6.17-2.14.7.2
  SUSE LE 11 SP4: libexif 0.6.17-2.14.7.2

SUSE LE 12: new libexif packages (04/06/2020).
New packages are available:
  SUSE LE 12 SP1: libexif 0.6.22-8.9.1
  SUSE LE 12 SP2: libexif 0.6.22-8.9.1
  SUSE LE 12 SP3: libexif 0.6.22-8.9.1
  SUSE LE 12 SP4: libexif 0.6.22-8.9.1
  SUSE LE 12 SP5: libexif 0.6.22-8.9.1

SUSE LE 12: new libexif packages (25/02/2020).
New packages are available:
  SUSE LE 12 SP1: libexif 0.6.21-8.6.1
  SUSE LE 12 SP2: libexif 0.6.21-8.6.1
  SUSE LE 12 SP3: libexif 0.6.21-8.6.1
  SUSE LE 12 SP4: libexif 0.6.21-8.6.1
  SUSE LE 12 SP5: libexif 0.6.21-8.6.1

SUSE LE 15: new libexif packages.
New packages are available:
  SUSE LE 15 RTM: libexif 0.6.21-5.3.1
  SUSE LE 15 SP1: libexif 0.6.21-5.3.1

SUSE LE 15 SP1-2: new libexif packages.
New packages are available:
  SUSE LE 15 SP1: libexif 0.6.22-5.6.1
  SUSE LE 15 SP2: libexif 0.6.22-5.6.1

Ubuntu: new libexif12 packages.
New packages are available:
  Ubuntu 20.04 LTS: libexif12 0.6.21-6ubuntu0.1
  Ubuntu 19.10: libexif12 0.6.21-5.1ubuntu0.2
  Ubuntu 18.04 LTS: libexif12 0.6.21-4ubuntu0.2
  Ubuntu 16.04 LTS: libexif12 0.6.21-2ubuntu0.2
  Ubuntu 14.04 ESM: libexif12 0.6.21-1ubuntu1+esm2
  Ubuntu 12.04 ESM: libexif12 0.6.20-2ubuntu0.3

Wind River Linux: solution (21/05/2019).
The solution is indicated in information sources.
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