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Vulnerability of ISC DHCP: denial of service via Lease File Parsing

Synthesis of the vulnerability 

An attacker can trigger a fatal error via Lease File Parsing of ISC DHCP, in order to trigger a denial of service.
Impacted systems: Debian, Fedora, ISC DHCP, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 2/4.
Creation date: 27/05/2021.
Références of this alert: CERTFR-2021-AVI-410, CVE-2021-25217, DLA-2674-1, FEDORA-2021-08cdb4dc34, FEDORA-2021-8ca8263bde, openSUSE-SU-2021:0834-1, RHSA-2021:2357-01, RHSA-2021:2359-01, RHSA-2021:2405-01, RHSA-2021:2414-01, RHSA-2021:2415-01, RHSA-2021:2416-01, RHSA-2021:2418-01, RHSA-2021:2419-01, RHSA-2021:2420-01, RHSA-2021:2469-01, SUSE-SU-2021:14740-1, SUSE-SU-2021:1822-1, SUSE-SU-2021:1841-1, USN-4969-1, USN-4969-2, USN-4969-3, VIGILANCE-VUL-35555.

Description of the vulnerability 

An attacker can trigger a fatal error via Lease File Parsing of ISC DHCP, in ord...
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This computer weakness alert impacts software or systems such as Debian, Fedora, ISC DHCP, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

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

Solutions for this threat 

This vulnerability solution will be public soon.
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