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CVE-2024-12084

Date: January 15, 2025

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.

Severity Score

Related Resources (9)

https://access.redhat.com/security/cve/CVE-2024-12084
https://access.redhat.com/errata/RHBA-2025:6470
https://kb.cert.org/vuls/id/952657
https://nvd.nist.gov/vuln/detail/CVE-2024-12084
https://bugzilla.redhat.com/show_bug.cgi?id=2330527
http://www.openwall.com/lists/oss-security/2025/01/14/6
https://github.com/google/security-research/security/advisories/GHSA-p5pg-x43v-mvqj
https://seclists.org/oss-sec/2025/q1/16
https://www.mend.io/vulnerability-database/CVE-2024-12084

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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