high
7.8
CWE
119 787
Advisory Published
CVE Published
Updated

CVE-2021-45417: Buffer Overflow

First published: Mon Jan 17 2022(Updated: )

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/aide<0:0.14-11.el6_10.1
0:0.14-11.el6_10.1
redhat/aide<0:0.15.1-13.el7_9.1
0:0.15.1-13.el7_9.1
redhat/aide<0:0.16-14.el8_5.1
0:0.16-14.el8_5.1
redhat/aide<0:0.16-11.el8_1.1
0:0.16-11.el8_1.1
redhat/aide<0:0.16-11.el8_2.1
0:0.16-11.el8_2.1
redhat/aide<0:0.16-14.el8_4.1
0:0.16-14.el8_4.1
redhat/redhat-virtualization-host<0:4.3.22-20220330.1.el7_9
0:4.3.22-20220330.1.el7_9
Advanced Intrusion Detection Environment Project Advanced Intrusion Detection Environment>=0.13<=0.17.3
Redhat Ovirt-node=4.4.10
Redhat Virtualization Host=4.0
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
Fedoraproject Fedora=35
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
Canonical Ubuntu Linux=21.04
Canonical Ubuntu Linux=21.10
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
debian/aide
0.16.1-1+deb10u1
0.17.3-4+deb11u2
0.17.3-4+deb11u1
0.18.3-1+deb12u2
0.18.6-2

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this AIDE vulnerability?

    The vulnerability ID of this AIDE vulnerability is CVE-2021-45417.

  • What is the severity of CVE-2021-45417?

    The severity of CVE-2021-45417 is high with a severity value of 7.

  • How can an attacker exploit this vulnerability?

    An attacker can exploit this vulnerability by using crafted file metadata to cause a heap-based buffer overflow in the base64 functions of AIDE.

  • What is the potential impact of this vulnerability?

    The potential impact of this vulnerability is that an attacker could crash the program and potentially execute arbitrary code.

  • How do I fix CVE-2021-45417?

    To fix CVE-2021-45417, you should update AIDE to version 0.17.4 or apply the appropriate remedy provided by your software vendor.

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