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Vulnerability of Apache XML Security for C++: denial of service via DSA Key KeyInfo Combinations

Synthesis of the vulnerability 

An attacker can generate a fatal error via DSA Key KeyInfo Combinations of Apache XML Security for C++, in order to trigger a denial of service.
Impacted software: Apache XML Security for C++, Debian, Fedora.
Severity of this computer vulnerability: 2/4.
Creation date: 26/11/2018.
Références of this announce: DLA-1594-1, FEDORA-2018-a0d02065d0, VIGILANCE-VUL-27874.

Description of the vulnerability 

An attacker can generate a fatal error via DSA Key KeyInfo Combinations of Apache XML Security for C++, in order to trigger a denial of service.
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This cybersecurity threat impacts software or systems such as Apache XML Security for C++, Debian, Fedora.

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

Solutions for this threat 

Apache XML Security for C++: version 2.0.2.
The version 2.0.2 is fixed:
  http://santuario.apache.org/

Debian 8: new xml-security-c packages.
New packages are available:
  Debian 8: xml-security-c 1.7.2-3+deb8u2

Fedora 29: new xml-security-c packages.
New packages are available:
  Fedora 29: xml-security-c 2.0.2-1.fc29
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