CVE-2021-27290
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
nlf ssri是 （nlf）开源的一个应用软件。提供Standard Subresource Integrity（标准子资源完整性）的缩写，是一个Node.js实用程序，用于解析，操作，序列化，生成和验证Subresource Integrity哈希值。 ssri 5.2.2-8.0.0 存在安全漏洞，该漏洞源于使用正则表达式处理SRIs，该正则表达式容易被拒绝服务。恶意的SRIs可能需要非常长的时间来处理，从而导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-27290
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
ssri 5.2.2-8.0.0, fixed in 8.0.1, processes SRIs using a regular expression which is vulnerable to a denial of service. Malicious SRIs could take an extremely long time to process, leading to denial of service. This issue only affects consumers using the strict option.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ssri 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nlf ssri是 （nlf）开源的一个应用软件。提供Standard Subresource Integrity（标准子资源完整性）的缩写，是一个Node.js实用程序，用于解析，操作，序列化，生成和验证Subresource Integrity哈希值。 ssri 5.2.2-8.0.0 存在安全漏洞，该漏洞源于使用正则表达式处理SRIs，该正则表达式容易被拒绝服务。恶意的SRIs可能需要非常长的时间来处理，从而导致拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2021-27290
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-27290 (2)
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https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
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https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf x_refsource_CONFIRM
Other References for CVE-2021-27290 (3)
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https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf x_refsource_MISC
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https://npmjs.com x_refsource_MISC
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https://github.com/yetingli/SaveResults/blob/main/pdf/ssri-redos.pdf x_refsource_MISC
Same Patch Batch · n/a · 2021-03-12 · 15 CVEs total
| CVE-2021-23354 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
| CVE-2021-28092 | Sindre Sorhus is-svg 安全漏洞 | |
| CVE-2021-20232 | GnuTLS 资源管理错误漏洞 | |
| CVE-2021-20231 | GnuTLS 资源管理错误漏洞 | |
| CVE-2021-21726 | 中兴 ZTE ZXONE 8700 输入验证错误漏洞 | |
| CVE-2021-28302 | Marcelo Roberto Jimenez pupnp 安全漏洞 | |
| CVE-2021-28305 | Georg Semmler diesel 资源管理错误漏洞 | |
| CVE-2021-28306 | Mohammed Alyousef fltk-rs 代码问题漏洞 | |
| CVE-2021-28307 | fltk crate for Rust 代码问题漏洞 | |
| CVE-2021-28308 | fltk crate for Rust 缓冲区错误漏洞 | |
| CVE-2020-36282 | Pivotal Software RabbitMQ 代码问题漏洞 | |
| CVE-2020-36281 | Dan Bloomberg Leptonica 缓冲区错误漏洞 | |
| CVE-2020-36280 | Dan Bloomberg Leptonica 缓冲区错误漏洞 | |
| CVE-2020-36279 | Dan Bloomberg Leptonica 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-27290
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