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vulnerability CVE-2019-3812

QEMU: out-of-bounds memory reading via i2c_ddc_rx

Synthesis of the vulnerability

An attacker can force a read at an invalid address via i2c_ddc_rx() of QEMU, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable products: Debian, Fedora, openSUSE Leap, QEMU, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this weakness: 2/4.
Consequences of a hack: data reading, denial of service on service, denial of service on client.
Hacker's origin: document.
Creation date: 18/02/2019.
Références of this bulletin: CERTFR-2019-AVI-230, CVE-2019-3812, DSA-4454-1, DSA-4454-2, FEDORA-2019-88a98ce795, openSUSE-SU-2019:1274-1, openSUSE-SU-2019:1405-1, SUSE-SU-2019:1238-1, SUSE-SU-2019:1239-1, USN-3923-1, VIGILANCE-VUL-28530.

Description of the vulnerability

An attacker can force a read at an invalid address via i2c_ddc_rx() of QEMU, in order to trigger a denial of service, or to obtain sensitive information.
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