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Vulnerability of MATIO: out-of-bounds memory reading via Mat_VarReadNextInfo4

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via Mat_VarReadNextInfo4() of MATIO, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable products: Debian.
Severity of this weakness: 2/4.
Creation date: 01/07/2020.
Références of this bulletin: CVE-2019-17533, DLA-2267-1, VIGILANCE-VUL-32652.

Description of the vulnerability 

An attacker can force a read at an invalid address via Mat_VarReadNextInfo4() of MATIO, in order to trigger a denial of service, or to obtain sensitive information.
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This vulnerability bulletin impacts software or systems such as Debian.

Our Vigil@nce team determined that the severity of this security note 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 note.

Solutions for this threat 

Debian 8: new libmatio packages.
New packages are available:
  Debian 8: libmatio 1.5.2-3+deb8u1
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