CVE-2021-45417

HIGHCVSS 7.8/10EPSS 0.49%

Last modified

CVE-2021-45417 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.49%

38.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Advanced Intrusion Detection Environment ProjectAdvanced Intrusion Detection Environment>= 0.13, <= 0.17.3
RedhatOvirt-Node4.4.10
RedhatVirtualization Host4.0
RedhatEnterprise Linux6.0
RedhatEnterprise Linux7.0
RedhatEnterprise Linux8.0
FedoraprojectFedora35
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux18.04
CanonicalUbuntu Linux20.04
CanonicalUbuntu Linux21.04
CanonicalUbuntu Linux21.10
DebianDebian Linux9.0
DebianDebian Linux10.0
DebianDebian Linux11.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45417?
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.
How severe is CVE-2021-45417?
CVE-2021-45417 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45417?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45417?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST