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computer threat alert CVE-2019-15026

memcached: out-of-bounds memory reading via conn_to_str

Synthesis of the vulnerability

An attacker can force a read at an invalid address via conn_to_str() of memcached, in order to trigger a denial of service, or to obtain sensitive information.
Severity of this alert: 2/4.
Creation date: 09/09/2019.
Références of this alert: CVE-2019-15026, DLA-1913-1, FEDORA-2019-15d61c1f7f, FEDORA-2019-68333329e0, USN-4125-1, VIGILANCE-VUL-30269.
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Description of the vulnerability

An attacker can force a read at an invalid address via conn_to_str() of memcached, in order to trigger a denial of service, or to obtain sensitive information.
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This weakness announce impacts software or systems such as Debian, Fedora, 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 document.

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

Solutions for this threat

memcached: version 1.5.17.
The version 1.5.17 is fixed:
  https://github.com/memcached/memcached/releases

memcached: patch for conn_to_str.
A patch is indicated in information sources.

Debian 8: new memcached packages.
New packages are available:
  Debian 8: memcached 1.4.21-1.1+deb8u3

Fedora: new memcached packages.
New packages are available:
  Fedora 29: memcached 1.5.14-2.fc29
  Fedora 30: memcached 1.5.14-2.fc30

Ubuntu: new memcached packages.
New packages are available:
  Ubuntu 19.04: memcached 1.5.10-0ubuntu1.19.04.2
  Ubuntu 18.04 LTS: memcached 1.5.6-0ubuntu1.2
  Ubuntu 16.04 LTS: memcached 1.4.25-2ubuntu1.5
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