CVE-2024-12084

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.

CVSS breakdown

Affected products

• almalinux / almalinux10.0 – 10.0
• archlinux / arch_linux
• gentoo / linux
• NixOS / nixos24.11 – 24.11
• NixOS / nixos24.11
• Novell / suse_linux
• RedHat / enterprise_linux10.0 – 10.0
• Samba / rsync3.3.0 – 3.3.0
• Samba / rsync3.2.7 – 3.2.7
• tritondatacenter / smartos20250123

References

• VENDOR_ADVISORYhttps://access.redhat.com/errata/RHBA-2025:6470
• VENDOR_ADVISORYhttps://access.redhat.com/security/cve/CVE-2024-12084
• MISChttps://bugzilla.redhat.com/show_bug.cgi?id=2330527
• MISChttps://kb.cert.org/vuls/id/952657