<p>Upgrade <code>Centos:8</code> <code>glibc</code> to version 0:2.28-127.el8 or higher.</p>

Use After Free Affecting glibc package, versions <0:2.28-127.el8

Snyk CVSS

Attack Complexity High

User Interaction Required

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS 0.1% (40^th percentile)

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Snyk ID SNYK-CENTOS8-GLIBC-2056571
published 26 Jul 2021
disclosed 17 Jan 2020

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Introduced: 17 Jan 2020

CVE-2020-1752 Open this link in a new tab CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:8 glibc to version 0:2.28-127.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Centos:8. See How to fix? for Centos:8 relevant fixed versions and status.

A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.