CVE-2024-12084
Critical
Description
A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths (s2length) in the code. When MAX_DIGEST_LEN exceeds the fixed SUM_LENGTH (16 bytes), an attacker can write out of bounds in the sum2 buffer.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Samba Rsync
PublishedJan 15, 2025
First seenJan 15, 2025
Weakness typeCWE-122CWE-122
How to fix
Update
- nixos nixos24.11 or later
- tritondatacenter smartos20250123 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| samba rsync | 3.2.7, 3.3.0 | — |
| almalinux almalinux | 10.0 | — |
| archlinux arch_linux | No range specified | — |
| gentoo linux | No range specified | — |
| nixos nixos | v < 24.11, 24.11 | 24.11 |
| novell suse_linux | No range specified | — |
| tritondatacenter smartos | v < 20250123 | 20250123 |
| redhat enterprise_linux | 10.0 | — |
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