{"id":85820,"date":"2025-11-12T06:16:55","date_gmt":"2025-11-12T06:16:55","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-21481-memory-corruption-vulnerability-in-private-key-encryption","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-21481-memory-corruption-vulnerability-in-private-key-encryption\/","title":{"rendered":"CVE-2025-21481: Memory Corruption Vulnerability in Private Key Encryption<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The vulnerability, CVE-2025-21481, is a critical issue that affects systems utilizing certain trusted applications for private key encryption. It arises due to memory corruption while performing these operations. Considering the criticality of private keys in securing communications and data, this vulnerability has severe implications. It can potentially compromise the system or lead to data leakage, emphasizing the need for immediate attention and mitigation.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-21481
\nSeverity: High (7.8 CVSS Score)
\nAttack Vector: Local
\nPrivileges Required: Low
\nUser Interaction: None
\nImpact: System compromise and potential data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Trusted Application A | Versions prior to 2.5.4
\nTrusted Application B | All versions<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of a flaw in the memory management of the trusted application. When performing a private key encryption, an unexpected condition arises, causing corruption in the system’s memory. This corruption can be leveraged by an attacker, allowing them to manipulate the system by injecting malicious code or extracting sensitive data, thus compromising the system or causing data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Assuming the attacker has access to the local system and is aware of the vulnerability, they could exploit it as follows:<\/p>\n

# Exploit command\necho \"malicious_payload\" | .\/vulnerable_application --encrypt --private-key user_private_key.pem<\/code><\/pre>\n
In this hypothetical example, “malicious_payload” represents the code or data the attacker wants to inject or extract. The “.\/vulnerable_application” is the executable file of the affected application, “–encrypt” is the function that triggers the private key encryption process, and “user_private_key.pem” is the file containing the private key.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The vulnerability, CVE-2025-21481, is a critical issue that affects systems utilizing certain trusted applications for private key encryption. It arises due to memory corruption while performing these operations. Considering the criticality of private keys in securing communications and data, this vulnerability has severe implications. It can potentially compromise the system or lead to data […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-85820","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t