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Vulnerability of GIMP: out-of-bounds memory reading via TGA

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via TGA of GIMP, in order to trigger a denial of service, or to obtain sensitive information.
Impacted products: Debian, Fedora, GIMP, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 1/4.
Creation date: 20/12/2017.
Références of this threat: 739134, CVE-2017-17786, DLA-1220-1, DSA-4077-1, FEDORA-2018-67b75f73fa, FEDORA-2018-ccef1ced42, SUSE-SU-2020:0601-1, USN-3539-1, VIGILANCE-VUL-24825.

Description of the vulnerability 

An attacker can force a read at an invalid address via TGA of GIMP, in order to trigger a denial of service, or to obtain sensitive information.
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This threat note impacts software or systems such as Debian, Fedora, GIMP, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity note is low.

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

An attacker with a expert ability can exploit this vulnerability note.

Solutions for this threat 

GIMP: patch for TGA.
A patch is available:
  https://bugzilla.gnome.org/show_bug.cgi?id=739134

Debian 7: new gimp packages.
New packages are available:
  Debian 7: gimp 2.8.2-2+deb7u3

Debian 8/9: new gimp packages.
New packages are available:
  Debian 8: gimp 2.8.14-1+deb8u2
  Debian 9: gimp 2.8.18-1+deb9u1

Fedora: new gimp packages.
New packages are available:
  Fedora 27: gimp 2.8.22-3.fc27
  Fedora 26: gimp 2.8.22-3.fc26

SUSE LE 12 SP4/5: new gimp packages.
New packages are available:
  SUSE LE 12 SP4: gimp 2.8.18-9.8.1
  SUSE LE 12 SP5: gimp 2.8.18-9.8.1

Ubuntu: new gimp packages.
New packages are available:
  Ubuntu 14.04 LTS: gimp 2.8.10-0ubuntu1.2, libgimp2.0 2.8.10-0ubuntu1.2
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