Critical severity · published Jan 15, 2025
CVE-2024-12084
Rsync: heap buffer overflow in rsync due to improper checksum length handling
9.8
CVSS
72.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)72.5% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
AL
Almalinux · Almalinux
10.0 · source: NVD
AL
Arch Linux · Archlinux
All versions, or not specified · source: NVD
EL
Enterprise Linux · Redhat
10.0 · source: NVD
LI
Linux · Gentoo
All versions, or not specified · source: NVD
NI
Nixos · Nixos
before 24.11; 24.11 · source: NVD
RS
Rsync · Samba
3.2.7; 3.3.0 · source: NVD
SM
Smartos · Tritondatacenter
before 20250123 · source: NVD
SL
Suse Linux · Novell
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-12084
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-12084
access.redhat.com
https://access.redhat.com/errata/RHBA-2025:6470
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-12084
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2330527
Third Party Advisory
https://kb.cert.org/vuls/id/952657
Mailing List
http://www.openwall.com/lists/oss-security/2025/01/14/6
security.netapp.com
https://security.netapp.com/advisory/ntap-20250131-0002/
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