rAthena CA_SSO_LOGIN_REQ heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in rAthena. Affected is an unknown function. The manipulation of the argument CA_SSO_LOGIN_REQ leads to heap-based overflow. This vulnerability is referenced as CVE-2025-58447. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in rAthena (affected version not known) and classified as critical. This issue affects some unknown functionality. The manipulation of the argument CA_SSO_LOGIN_REQ with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

rAthena is an open-source cross-platform massively multiplayer online role playing game (MMORPG) server. Versions prior to commit 2f5248b have a heap-based buffer overflow in the login server, remote attacker to overwrite adjacent session fields by sending a crafted `CA_SSO_LOGIN_REQ` with an oversized token length. This leads to immediate denial of service (crash) and it is possible to achieve remote code execution via heap corruption. Commit 2f5248b fixes the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-58447 since 09/01/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

Applying the patch 2f5248b9cd9a8c6b42422ddecfc4cc2cd0e69e4b is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 2f5248b9cd9a8c6b42422ddecfc4cc2cd0e69e4b

Timelineinfo

09/01/2025 CVE reserved
09/10/2025 +9 days Advisory disclosed
09/10/2025 +0 days VulDB entry created
09/10/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-4p33-6xqr-cm6x
Status: Confirmed

CVE: CVE-2025-58447 (🔒)
GCVE (CVE): GCVE-0-2025-58447
GCVE (VulDB): GCVE-100-323465

Entryinfo

Created: 09/10/2025 08:22
Changes: 09/10/2025 08:22 (64)
Complete: 🔍
Cache ID: 216::103

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