CVE-2020-1751

high

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.

References

https://usn.ubuntu.com/4416-1/

https://sourceware.org/bugzilla/show_bug.cgi?id=25423

https://security.netapp.com/advisory/ntap-20200430-0002/

https://security.gentoo.org/glsa/202006-04

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751

Details

Source: Mitre, NVD

Published: 2020-04-17

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 5.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High