Denial-of-Service Vulnerability in radare2 through 3.1.3: armass_assemble Function Allows Out-of-Bounds Read

Denial-of-Service Vulnerability in radare2 through 3.1.3: armass_assemble Function Allows Out-of-Bounds Read

CVE-2018-20459 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

In radare2 through 3.1.3, the armass_assemble function in libr/asm/arch/arm/armass.c allows attackers to cause a denial-of-service (application crash by out-of-bounds read) by crafting an arm assembly input because a loop uses an incorrect index in armass.c and certain length validation is missing in armass64.c, a related issue to CVE-2018-20457.

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