CVE-2020-36242
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.
python-cryptography是Cryptographic团队的一个应用于加密的 Python 代码库。 python-cryptography package before 3.3.2 for Python 存在输入验证错误漏洞，该漏洞源于导致整数溢出和缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-36242
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.
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
python-cryptography 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
python-cryptography是Cryptographic团队的一个应用于加密的 Python 代码库。 python-cryptography package before 3.3.2 for Python 存在输入验证错误漏洞，该漏洞源于导致整数溢出和缓冲区溢出。
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-2020-36242
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-36242 (2)
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https://www.oracle.com/security-alerts/cpujul2022.html x_refsource_MISC
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https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC
Mailing List Discussions for CVE-2020-36242 (1)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2020-36242 (3)
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https://github.com/pyca/cryptography/issues/5615 x_refsource_MISC
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https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst x_refsource_CONFIRM
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https://github.com/pyca/cryptography/compare/3.3.1...3.3.2 x_refsource_CONFIRM
Same Patch Batch · n/a · 2021-02-07 · 6 CVEs total
| CVE-2021-26754 | WordPress SQL注入漏洞 | |
| CVE-2021-22161 | OpenWrt 安全漏洞 | |
| CVE-2021-26843 | sthttpd 缓冲区错误漏洞 | |
| CVE-2020-36243 | OpenEMR 操作系统命令注入漏洞 | |
| CVE-2021-3122 | NCR Command Center Agent 操作系统命令注入漏洞 |
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V. Comments for CVE-2020-36242
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