Vulnerability · Published Jan 20, 2022 · Assigned by mitre
CVE-2021-45417
High 7.8
In plain English
A high-severity security flaw in the aide package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.5%top 57.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | aide | 0.16-14.el8_5.1 | ALSA-2022:0441 |
| Debian:12 | aide | 0.17.4-1 | DEBIAN-CVE-2021-45417 |
| Debian:13 | aide | 0.17.4-1 | DEBIAN-CVE-2021-45417 |
| Debian:14 | aide | 0.17.4-1 | DEBIAN-CVE-2021-45417 |
| Rocky Linux:8 | aide | 0:0.16-14.el8_5.1 | RLSA-2022:0441 |
Affected products (as reported)
References
- https://www.openwall.com/lists/oss-security/2022/01/20/3
- [oss-security] 20220120 CVE-2021-45417 - aide (>= 0.13 <= 0.17.3): heap-based buffer overflow vulnerability in base64 functions mailing-list
- DSA-5051 vendor-advisory
- [debian-lts-announce] 20220125 [SECURITY] [DLA 2894-1] aide security update mailing-list
- https://www.ipi.fi/pipermail/aide/2022-January/001713.html
- GLSA-202311-07 vendor-advisory