CVE-2024-21484
Quick assessment
Affected
n/a jsrsasign
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
jsrsasign package是日本浦岛贤治个人开发者的一款开源的加密库。 jsrsasign 11.0.0之前版本存在安全漏洞，该漏洞源于RSA PKCS1.5或RSAOAEP解密过程中容易受到Observable Discrepancy影响，攻击者利用该漏洞可以解密密文。
Possible ATT&CK Techniques 1 AI
T1408.002
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I. Basic Information for CVE-2024-21484
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Versions of the package jsrsasign before 11.0.0 are vulnerable to Observable Discrepancy via the RSA PKCS1.5 or RSAOAEP decryption process. An attacker can decrypt ciphertexts by exploiting the Marvin security flaw. Exploiting this vulnerability requires the attacker to have access to a large number of ciphertexts encrypted with the same key.
Workaround
The vulnerability can be mitigated by finding and replacing RSA and RSAOAEP decryption with another crypto library.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
jsrsasign 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
jsrsasign package是日本浦岛贤治个人开发者的一款开源的加密库。 jsrsasign 11.0.0之前版本存在安全漏洞，该漏洞源于RSA PKCS1.5或RSAOAEP解密过程中容易受到Observable Discrepancy影响，攻击者利用该漏洞可以解密密文。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | jsrsasign | 0 ~ 11.0.0 | - |
|
| - | org.webjars.npm:jsrsasign | 0 ~ * | - |
|
| - | org.webjars.bowergithub.kjur:jsrsasign | 0 ~ * | - |
|
| - | org.webjars.bower:jsrsasign | 0 ~ * | - |
|
II. Public POCs for CVE-2024-21484
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
Qwen3.6-35B-A3B
· 9894 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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Full executable POC code
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III. Intelligence Information for CVE-2024-21484
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Vendor Advisories for CVE-2024-21484 (4)
Other References for CVE-2024-21484 (3)
Same Patch Batch · n/a · 2024-01-22 · 14 CVEs total
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| CVE-2024-23770 | darkhttpd 安全漏洞 | |
| CVE-2024-23771 | darkhttpd 安全漏洞 | |
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| CVE-2024-22895 | Desdev DedeCMS 安全漏洞 | |
| CVE-2023-48118 | Quest Analytics LLC IQCRM 安全漏洞 | |
| CVE-2023-24135 | Jensen of Scandinavia Eagle 1200AC 安全漏洞 | |
| CVE-2021-42141 | Contiki-NG 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2024-21484
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