CVE-2020-27840
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I. Basic Information for CVE-2020-27840
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Samba 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samba是Samba团队的一套可使UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS网络协议做连结的自由软件。该软件支持共享打印机、互相传输资料文件等。 Samba 存在安全漏洞，攻击者可利用该漏洞通过DN Strings触发内存损坏，从而触发拒绝服务，并可能运行代码。
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 |
|---|---|---|---|---|
| - | samba | samba 4.14.1, samba 4.13.6, samba 4.12.13 | - |
II. Public POCs for CVE-2020-27840
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.netapp.com/advisory/ntap-20210326-0007/x_refsource_CONFIRM
- https://www.samba.org/samba/security/CVE-2020-27840.htmlx_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1941400x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5J3B6PN5XMXF3OHYBNHDKZ3XFSUGY4L/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXP3ONIY6MB4C5LDZV4YL5KJCES3UX24/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VLZ74IF2N75VQSIHBL4B3P5WKWQCXSRY/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-27840
Same Patch Batch · n/a · 2021-05-12 · 22 CVEs total
| CVE-2020-23790 | Golo Laravel theme 代码问题漏洞 | |
| CVE-2020-35198 | Wind River VxWorks 输入验证错误漏洞 | |
| CVE-2020-13873 | Codoforum SQL注入漏洞 | |
| CVE-2020-28393 | 多款 Siemens 设备安全漏洞 | |
| CVE-2021-31341 | Siemens Mendix 安全漏洞 | |
| CVE-2021-20277 | Samba 缓冲区错误漏洞 | |
| CVE-2021-3457 | Foreman 安全漏洞 | |
| CVE-2021-20202 | keycloak 安全漏洞 | |
| CVE-2021-32608 | Smartstore SmartStoreNET 安全漏洞 | |
| CVE-2021-32607 | Smartstore SmartStoreNET 安全漏洞 | |
| CVE-2021-32611 | Antisip eXosip 代码问题漏洞 | |
| CVE-2021-22155 | Blackberry Workspaces Server 安全漏洞 | |
| CVE-2021-32572 | Speco Technologies Speco Web Viewer 路径遍历漏洞 | |
| CVE-2021-30211 | Knowage 跨站脚本漏洞 | |
| CVE-2021-30212 | Knowage 跨站脚本漏洞 | |
| CVE-2021-30214 | Knowage 注入漏洞 | |
| CVE-2021-30213 | Knowage 跨站脚本漏洞 | |
| CVE-2020-19274 | DhCms 跨站脚本漏洞 | |
| CVE-2020-19275 | DhCms 输入验证错误漏洞 | |
| CVE-2020-18165 | LAOBANCMS 跨站脚本漏洞 |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Same weakness: CWE-125
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V. Comments for CVE-2020-27840
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