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Vulnerability of pjproject: integer overflow via SIP Message

Synthesis of the vulnerability 

An attacker can generate an integer overflow via SIP Message of pjproject, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Debian.
Severity of this alert: 2/4.
Creation date: 10/04/2018.
Références of this alert: CVE-2017-16872, DSA-4170-1, VIGILANCE-VUL-25811.

Description of the vulnerability 

An attacker can generate an integer overflow via SIP Message of pjproject, in order to trigger a denial of service, and possibly to run code.
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This computer threat bulletin impacts software or systems such as Debian.

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

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

Debian 9: new pjproject packages.
New packages are available:
  Debian 9: pjproject 2.5.5~dfsg-6+deb9u1
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