Buffer overflow in Advanced Intrusion Detection Environment Project
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Advanced Intrusion Detection Environment Project
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 9.0, 10.0, 11.0
- Fedoraproject Fedora — versions 35
- Red Hat Enterprise Linux — versions 6.0, 7.0, 8.0
- Red Hat Ovirt-Node — versions 4.4.10
- Red Hat Virtualization Host — versions 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2022/01/20/3 (Exploit, Patch, Mailing List, Third Party Advisory, Mitigation)
- www.openwall.com/lists/oss-security/2022/01/20/3 (mailing-list, Exploit, Patch, Mailing List, Third Party Advisory, Mitigation)
- www.debian.org/security/2022/dsa-5051 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00024.html (mailing-list, Mailing List, Third Party Advisory)
- www.ipi.fi/pipermail/aide/2022-January/001713.html (Exploit, Patch, Mailing List, Third Party Advisory, Mitigation)
- security.gentoo.org/glsa/202311-07 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-45417?
- CVE-2021-45417 is a high-severity vulnerability in Advanced Intrusion Detection Environment Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-01-20.
- How severe is CVE-2021-45417?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-45417 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.