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CVE-2017-15710

Quick assessment

Affected
Apache Software Foundation Apache HTTP Server
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.

Apache httpd是美国阿帕奇（Apache）软件基金会的一款专为现代操作系统开发和维护的开源HTTP服务器。 Apache httpd 2.0.23版本至2.0.65版本、2.2.0版本至2.2.34和2.4.0版本至2.4.29版本中的mod_authnz_ldap存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（崩溃和越边界写入）。

AI Predicted 5.3 Difficulty: Easy EPSS 17.53% · P97

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2017-15710

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache httpd 2.0.23 to 2.0.65, 2.2.0 to 2.2.34, and 2.4.0 to 2.4.29, mod_authnz_ldap, if configured with AuthLDAPCharsetConfig, uses the Accept-Language header value to lookup the right charset encoding when verifying the user's credentials. If the header value is not present in the charset conversion table, a fallback mechanism is used to truncate it to a two characters value to allow a quick retry (for example, 'en-US' is truncated to 'en'). A header value of less than two characters forces an out of bound write of one NUL byte to a memory location that is not part of the string. In the worst case, quite unlikely, the process would crash which could be used as a Denial of Service attack. In the more likely case, this memory is already reserved for future use and the issue has no effect at all.
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
Apache httpd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache httpd是美国阿帕奇（Apache）软件基金会的一款专为现代操作系统开发和维护的开源HTTP服务器。 Apache httpd 2.0.23版本至2.0.65版本、2.2.0版本至2.2.34和2.4.0版本至2.4.29版本中的mod_authnz_ldap存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（崩溃和越边界写入）。
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
Apache Software Foundation Apache HTTP Server 2.0.23 to 2.0.65 -

II. Public POCs for CVE-2017-15710

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III. Intelligence Information for CVE-2017-15710

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Vendor Advisories for CVE-2017-15710 (11)

Mailing List Discussions for CVE-2017-15710 (14)

Other References for CVE-2017-15710 (2)

Same Patch Batch · Apache Software Foundation · 2018-03-26 · 7 CVEs total

CVE-2017-15715 Apache httpd 输入验证错误漏洞
CVE-2018-1283 Apache httpd 输入验证错误漏洞
CVE-2018-1301 Apache HTTP Server 安全漏洞
CVE-2018-1302 Apache HTTP Server 安全漏洞
CVE-2018-1303 Apache HTTP Server 缓冲区错误漏洞
CVE-2018-1312 Apache httpd mod_auth_digest模块安全漏洞

IV. Related Vulnerabilities

Same product: Apache HTTP Server
Same vendor: Apache Software Foundation