The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.


Synthesis of the vulnerability 


An attacker can trigger a buffer overflow via Compiler Optimization of libexif, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: Debian, Fedora, Android OS, RHEL, Ubuntu.
Severity of this threat: 2/4.
Creation date: 09/11/2020.
Références of this weakness: CVE-2020-0452, DLA-2439-1, DSA-4786-1, FEDORA-2020-0aa0fc1b0c, FEDORA-2020-e99ef3282f, RHSA-2020:5393-01, RHSA-2020:5394-01, RHSA-2020:5395-01, RHSA-2020:5396-01, RHSA-2020:5402-01, USN-4624-1, VIGILANCE-VUL-33848.

Description of the vulnerability 


An attacker can trigger a buffer overflow via Compiler Optimization of libexif, in order to trigger a denial of service, and possibly to run code.
Full bulletin, software filtering, emails, fixes, … (Request your free trial)

This cybersecurity note impacts software or systems such as Debian, Fedora, Android OS, RHEL, Ubuntu.

Our Vigil@nce team determined that the severity of this computer weakness 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 cybersecurity vulnerability.

Solutions for this threat 


Debian 10: new libexif packages.
New packages are available:
  Debian 10: libexif 0.6.21-5.1+deb10u5

Debian 9: new libexif packages.
New packages are available:
  Debian 9: libexif 0.6.21-2+deb9u5

Fedora 32: new libexif packages.
New packages are available:
  Fedora 32: libexif 0.6.22-2.fc32

Fedora 33: new libexif packages.
New packages are available:
  Fedora 33: libexif 0.6.22-3.fc33

Google Android/Pixel: patch for November 2020.
A patch is indicated in information sources.

RHEL 7.9: new libexif packages.
New packages are available:
  RHEL 7.9: libexif 0.6.22-2.el7_9

RHEL 8: new libexif packages.
New packages are available:
  RHEL 8.0: libexif 0.6.21-18.el8_0
  RHEL 8.1: libexif 0.6.21-18.el8_1
  RHEL 8.2: libexif 0.6.21-18.el8_2
  RHEL 8.3: libexif 0.6.22-5.el8_3

Ubuntu: new libexif packages.
New packages are available:
  Ubuntu 20.10: libexif12 0.6.22-2ubuntu0.1
  Ubuntu 20.04 LTS: libexif12 0.6.21-6ubuntu0.4
  Ubuntu 18.04 LTS: libexif12 0.6.21-4ubuntu0.6
  Ubuntu 16.04 LTS: libexif12 0.6.21-2ubuntu0.6
  Ubuntu 14.04 ESM: libexif12 0.6.21-1ubuntu1+esm6
  Ubuntu 12.04 ESM: libexif12 0.6.20-2ubuntu0.7
Full bulletin, software filtering, emails, fixes, … (Request your free trial)

Computer vulnerabilities tracking service 


Vigil@nce provides an application vulnerability note. The technology watch team tracks security threats targeting the computer system.





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