high
8.8
CWE
119 190
Advisory Published
CVE Published
Updated

CVE-2021-32027: Buffer Overflow

First published: Tue May 04 2021(Updated: )

PostgreSQL could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an integer overflow while modifying certain SQL array values. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/postgresql<13.3
13.3
redhat/postgresql<12.7
12.7
redhat/postgresql<11.12
11.12
redhat/postgresql<10.17
10.17
redhat/postgresql<9.6.22
9.6.22
PostgreSQL PostgreSQL>=9.6.0<9.6.22
PostgreSQL PostgreSQL>=10.0<10.17
PostgreSQL PostgreSQL>=11.0<11.12
PostgreSQL PostgreSQL>=12.0<12.7
PostgreSQL PostgreSQL>=13.0<13.3
Redhat Jboss Enterprise Application Platform=7.0.0
Redhat Software Collections
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
IBM DRM<=2.0.6

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1956876

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID for this flaw in PostgreSQL?

    The vulnerability ID for this flaw in PostgreSQL is CVE-2021-32027.

  • What is the severity level of CVE-2021-32027?

    The severity level of CVE-2021-32027 is high, with a CVSS score of 8.8.

  • Which versions of PostgreSQL are affected by CVE-2021-32027?

    Versions before 13.3, 12.7, 11.12, 10.17, and 9.6.22 of PostgreSQL are affected by CVE-2021-32027.

  • How can an authenticated database user exploit CVE-2021-32027?

    An authenticated database user can exploit CVE-2021-32027 by modifying certain SQL array values to write arbitrary bytes to a wide area of server memory.

  • Where can I find more information about CVE-2021-32027?

    You can find more information about CVE-2021-32027 on the IBM X-Force Exchange website, the IBM Support page, and the Red Hat Bugzilla page.

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