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

Vulnerability of libmaxminddb: out-of-bounds memory reading via dump_entry_data_list

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via dump_entry_data_list() of libmaxminddb, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable software: Debian, Fedora, Ubuntu.
Severity of this announce: 2/4.
Creation date: 10/11/2020.
Références of this computer vulnerability: CVE-2020-28241, DLA-2445-1, FEDORA-2020-1fb1785fa1, FEDORA-2020-8a8f8b244f, USN-4631-1, VIGILANCE-VUL-33871.

Description of the vulnerability 

An attacker can force a read at an invalid address via dump_entry_data_list() of libmaxminddb, in order to trigger a denial of service, or to obtain sensitive information.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer vulnerability alert impacts software or systems such as Debian, Fedora, Ubuntu.

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

Solutions for this threat 

Debian 9: new libmaxminddb packages.
New packages are available:
  Debian 9: libmaxminddb 1.2.0-1+deb9u1

Fedora 32-33: new libmaxminddb packages.
New packages are available:
  Fedora 32: libmaxminddb 1.4.3-1.fc32
  Fedora 33: libmaxminddb 1.4.3-1.fc33

Ubuntu: new libmaxminddb packages.
New packages are available:
  Ubuntu 20.10: libmaxminddb0 1.4.2-0ubuntu1.20.10.1
  Ubuntu 20.04 LTS: libmaxminddb0 1.4.2-0ubuntu1.20.04.1
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a network vulnerability watch. The Vigil@nce team tracks computer vulnerabilities impacting systems and applications.