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CVE-2015-7540

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.

Samba是Samba团队开发的一套可使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。AD domain controller是其中的一个AD域控制器。 Samba 4.1.22之前4.x版本的AD域控制器中的LDAP服务器中存在安全漏洞，该漏洞源于程序没有验证返回值以确保ASN.1内存分配操作成功。远程攻击者可通过发送特制的数据包利用该漏洞造成拒绝服务（内存损坏和守护进程崩溃）。

AI Predicted 7.5 Difficulty: Easy EPSS 7.12% · P94

Possible ATT&CK Techniques 1 AI

T1498.001 · Direct Network Flood
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I. Basic Information for CVE-2015-7540

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.
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
Samba AD域控制器拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samba是Samba团队开发的一套可使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。AD domain controller是其中的一个AD域控制器。 Samba 4.1.22之前4.x版本的AD域控制器中的LDAP服务器中存在安全漏洞，该漏洞源于程序没有验证返回值以确保ASN.1内存分配操作成功。远程攻击者可通过发送特制的数据包利用该漏洞造成拒绝服务（内存损坏和守护进程崩溃）。
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 -

II. Public POCs for CVE-2015-7540

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III. Intelligence Information for CVE-2015-7540

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Vendor Advisories for CVE-2015-7540 (7)

Mailing List Discussions for CVE-2015-7540 (3)

Other References for CVE-2015-7540 (4)

Same Patch Batch · n/a · 2015-12-29 · 9 CVEs total

CVE-2015-3223 Samba AD LDAP ldb 拒绝服务漏洞
CVE-2015-5252 Samba smbd 安全漏洞
CVE-2015-5296 Samba 安全漏洞
CVE-2015-5299 Samba‘shadow_copy2_get_shadow_copy_data’函数安全漏洞
CVE-2015-5330 Samba AD LDAP ldb 安全漏洞
CVE-2015-7791 WordPress Welcart插件SQL注入漏洞
CVE-2015-8467 Samba‘samldb_check_user_account_control_acl’函数安全漏洞
CVE-2015-7786 NTT DATA Smart Sourcing JavaScript for Web Analytics Service模块跨站脚本漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2015-7540

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