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cnvd-2018-07223
Vulnerability from cnvd
Title
Apache HTTP Server mod_authnz_ldap拒绝服务漏洞
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）。
Severity
中
VLAI Severity ?
Patch Name
Apache HTTP Server mod_authnz_ldap拒绝服务漏洞的补丁
Patch 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）。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://www.apache.org/
Reference
http://www.securityfocus.com/bid/103512
Impacted products
| Name | ['Apache Apache >=2.0.23，<=2.0.65', 'Apache Apache >=2.2.0，<=2.2.34', 'Apache Apache >=2.4.0，<=2.4.29'] |
|---|
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"discovererName": "Alex Nichols and Jakob Hirsch",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://www.apache.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-07223",
"openTime": "2018-04-09",
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"products": {
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},
"referenceLink": "http://www.securityfocus.com/bid/103512",
"serverity": "\u4e2d",
"submitTime": "2018-03-30",
"title": "Apache HTTP Server mod_authnz_ldap\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
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CVE-2017-15710 (GCVE-0-2017-15710)
Vulnerability from cvelistv5
Published
2018-03-26 15:00
Modified
2024-09-17 03:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Out of bound write in mod_authnz_ldap when using too small Accept-Language values.
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server |
Version: 2.0.23 to 2.0.65 Version: 2.2.0 to 2.2.34 Version: 2.4.0 to 2.4.29 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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