CVE-2017-8804
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.
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。Library是其中的一个库。 GNU C Library 2.25版本中的‘xdr_bytes’和‘xdr_string’函数存在安全漏洞，该漏洞源于程序没有正确的处理缓冲区反序列化错误。远程攻击者可通过向111端口发送特制的UDP数据包利用该漏洞造成拒绝服务（虚拟内存分配或内存消耗）。
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I. Basic Information for CVE-2017-8804
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references
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
GNU C Library 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。Library是其中的一个库。 GNU C Library 2.25版本中的‘xdr_bytes’和‘xdr_string’函数存在安全漏洞，该漏洞源于程序没有正确的处理缓冲区反序列化错误。远程攻击者可通过向111端口发送特制的UDP数据包利用该漏洞造成拒绝服务（虚拟内存分配或内存消耗）。
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-2017-8804
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2017-8804 (2)
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https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7 x_refsource_CONFIRM
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Mailing List Discussions for CVE-2017-8804 (5)
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http://www.openwall.com/lists/oss-security/2017/05/05/2 x_refsource_CONFIRM
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https://seclists.org/oss-sec/2017/q2/228 x_refsource_MISC
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http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00026.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00049.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00039.html vendor-advisory x_refsource_SUSE
Other References for CVE-2017-8804 (4)
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https://sourceware.org/bugzilla/show_bug.cgi?id=21461 x_refsource_CONFIRM
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https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html x_refsource_MISC
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https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html x_refsource_CONFIRM
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https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2017-8804
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