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CVE-2018-14622

Quick assessment

Affected
[UNKNOWN] libtirpc
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libtirpc是一个包含支持使用远程过程调用（RPC）API的软件包。 libtirpc 0.3.3-rc3之前版本中存在安全漏洞，该漏洞源于在所有的实例中，程序没有检测‘makefd_xprt()’函数的返回值。远程攻击者可通过创建新的连接洪泛基于rpc的应用程序利用该漏洞造成该应用程序崩溃（空指针逆向引用）。

AI Predicted 5.3 Difficulty: Easy EPSS 3.86% · P90

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2018-14622

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加检查的返回值
Source: CVE Program / CVE List V5
Vulnerability Title
libtirpc 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libtirpc是一个包含支持使用远程过程调用（RPC）API的软件包。 libtirpc 0.3.3-rc3之前版本中存在安全漏洞，该漏洞源于在所有的实例中，程序没有检测‘makefd_xprt()’函数的返回值。远程攻击者可通过创建新的连接洪泛基于rpc的应用程序利用该漏洞造成该应用程序崩溃（空指针逆向引用）。
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
[UNKNOWN] libtirpc 0.3.3-rc3 -

II. Public POCs for CVE-2018-14622

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III. Intelligence Information for CVE-2018-14622

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Vendor Advisories for CVE-2018-14622 (5)

Mailing List Discussions for CVE-2018-14622 (1)

Other References for CVE-2018-14622 (1)

Same Patch Batch · [UNKNOWN] · 2018-08-30 · 4 CVEs total

CVE-2018-14619 Linux kernel crypto子系统安全漏洞
CVE-2018-10936 postgresql-jdbc 安全漏洞
CVE-2018-14621 libtirpc 安全漏洞

IV. Related Vulnerabilities

Same product: libtirpc
Same vendor: [UNKNOWN]
Same weakness: CWE-252

V. Comments for CVE-2018-14622

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