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Vulnerability of Embedthis GoAhead/Appweb: NULL pointer dereference via Host Header

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via Host Header of Embedthis GoAhead/Appweb, in order to trigger a denial of service.
Impacted systems: Juniper EX-Series, Juniper J-Series, Junos OS, SRX-Series.
Severity of this alert: 3/4.
Creation date: 11/07/2019.
Références of this alert: CERTFR-2019-AVI-325, CVE-2018-15505, JSA10948, VIGILANCE-VUL-29747.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via Host Header of Embedthis GoAhead/Appweb, in order to trigger a denial of service.
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This computer weakness alert impacts software or systems such as Juniper EX-Series, Juniper J-Series, Junos OS, SRX-Series.

Our Vigil@nce team determined that the severity of this weakness note is important.

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

An attacker with a expert ability can exploit this weakness bulletin.

Solutions for this threat 

Junos OS: fixed versions for Embedthis Appweb.
Fixed versions are indicated in information sources.
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