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Vulnerability of WebSphere AS: denial of service via Request Headers

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Request Headers of WebSphere AS, in order to trigger a denial of service.
Vulnerable products: Tivoli Storage Manager, WebSphere AS Liberty, WebSphere AS Traditional.
Severity of this weakness: 2/4.
Creation date: 20/12/2019.
Références of this bulletin: 1107597, CVE-2019-4046, VIGILANCE-VUL-31200.

Description of the vulnerability 

An attacker can trigger a fatal error via Request Headers of WebSphere AS, in order to trigger a denial of service.
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This vulnerability bulletin impacts software or systems such as Tivoli Storage Manager, WebSphere AS Liberty, WebSphere AS Traditional.

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 intranet client.

An attacker with a expert ability can exploit this cybersecurity note.

Solutions for this threat 

WebSphere AS: patch for Request Headers.
A patch is indicated in information sources.

IBM Spectrum Protect: patch for WebSphere AS.
A patch is indicated in information sources.
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