CVE-2020-1751 Information

Description

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically the backtrace function did not properly check the array bounds when storing the frame address resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.

CVSS Vector

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

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751 https://security.gentoo.org/glsa/202006-04 https://security.netapp.com/advisory/ntap-20200430-0002/ https://sourceware.org/bugzilla/show_bug.cgi?id=25423 https://usn.ubuntu.com/4416-1/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0