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
| Affected Software | Affected Version | How 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 |
| 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 | |
| redhat/aide | <0.17.4 | 0.17.4 |
| 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 | |
| Red Hat Enterprise Linux | =6.0 | |
| Red Hat Enterprise Linux | =7.0 | |
| Red Hat Enterprise Linux | =8.0 | |
| Fedora | =35 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =20.04 | |
| Ubuntu | =21.04 | |
| Ubuntu | =21.10 | |
| Debian | =9.0 | |
| Debian | =10.0 | |
| Debian | =11.0 |
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Reference Links
- https://www.openwall.com/lists/oss-security/2022/01/20/3
- http://www.openwall.com/lists/oss-security/2022/01/20/3
- https://www.debian.org/security/2022/dsa-5051
- https://lists.debian.org/debian-lts-announce/2022/01/msg00024.html
- https://www.ipi.fi/pipermail/aide/2022-January/001713.html
- https://security.gentoo.org/glsa/202311-07
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2043054
- https://github.com/aide/aide/commit/175d1f2626f4500b4fc5ecb7167bba9956b174bc
- https://github.com/aide/aide/releases/tag/v0.17.4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2043471
- https://access.redhat.com/errata/RHSA-2022:0440
- https://access.redhat.com/errata/RHSA-2022:0441
- https://access.redhat.com/errata/RHSA-2022:0456
- https://access.redhat.com/errata/RHSA-2022:0464
- https://access.redhat.com/errata/RHSA-2022:0472
- https://access.redhat.com/errata/RHSA-2022:0473
- https://access.redhat.com/errata/RHSA-2022:0540
- https://access.redhat.com/security/cve/cve-2021-45417
- https://access.redhat.com/errata/RHSA-2022:1263
- https://bugzilla.redhat.com/show_bug.cgi?id=2041489
- https://www.cve.org/CVERecord?id=CVE-2021-45417 https://nvd.nist.gov/vuln/detail/CVE-2021-45417
- https://security-tracker.debian.org/tracker/CVE-2021-45417
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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