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CVE-2017-17805

Quick assessment

Affected
n/a n/a
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.

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.14.8之前的版本中的Salsa20加密算法存在安全漏洞，该漏洞源于程序没有正确的处理长度为零的输入。本地攻击者可通过执行一系列特制的系统调用利用该漏洞造成拒绝服务（未初始化内存释放和内核崩溃）。

AI Predicted 5.5 Difficulty: Easy EPSS 0.45% · P38
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I. Basic Information for CVE-2017-17805

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Salsa20 encryption algorithm in the Linux kernel before 4.14.8 does not correctly handle zero-length inputs, allowing a local attacker able to use the AF_ALG-based skcipher interface (CONFIG_CRYPTO_USER_API_SKCIPHER) to cause a denial of service (uninitialized-memory free and kernel crash) or have unspecified other impact by executing a crafted sequence of system calls that use the blkcipher_walk API. Both the generic implementation (crypto/salsa20_generic.c) and x86 implementation (arch/x86/crypto/salsa20_glue.c) of Salsa20 were vulnerable.
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
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.14.8之前的版本中的Salsa20加密算法存在安全漏洞，该漏洞源于程序没有正确的处理长度为零的输入。本地攻击者可通过执行一系列特制的系统调用利用该漏洞造成拒绝服务（未初始化内存释放和内核崩溃）。
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-2017-17805

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III. Intelligence Information for CVE-2017-17805

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Patches & Fixes for CVE-2017-17805 (2)

Vendor Advisories for CVE-2017-17805 (14)

Mailing List Discussions for CVE-2017-17805 (6)

Other References for CVE-2017-17805 (1)

Same Patch Batch · n/a · 2017-12-20 · 57 CVEs total

CVE-2017-14968 IKARUS anti.virus ntguard.sys驱动程序安全漏洞
CVE-2017-17807 Linux kernel KEYS子系统安全漏洞
CVE-2012-2576 多款SolarWinds产品SQL注入漏洞
CVE-2017-14387 EMC Isilon OneFS 安全漏洞
CVE-2017-14385 EMC Data Domain DD OS和EMC Data Domain Virtual Edition 安全漏洞
CVE-2011-4955 WordPress bSuite插件跨站脚本漏洞
CVE-2017-17806 Linux kernel 缓冲区错误漏洞
CVE-2017-16725 Xiongmai IP Camera Module和DVR 缓冲区错误漏洞
CVE-2017-16717 WECON LeviStudio HMI 缓冲区错误漏洞
CVE-2017-14969 IKARUS anti.virus ntguard.sys驱动程序安全漏洞
CVE-2017-16731 ABB Ellipse 安全漏洞
CVE-2017-14967 IKARUS anti.virus ntguard.sys驱动程序安全漏洞
CVE-2017-14966 IKARUS anti.virus ntguard.sys驱动程序安全漏洞
CVE-2017-14965 IKARUS anti.virus ntguard.sys驱动程序安全漏洞
CVE-2017-14964 IKARUS anti.virus ntguard.sys驱动程序安全漏洞
CVE-2017-14963 IKARUS anti.virus ntguard.sys驱动程序安全漏洞
CVE-2017-14962 IKARUS Security Software anti.virus 缓冲区错误漏洞
CVE-2017-17476 Open Ticket Request System 安全漏洞
CVE-2017-16818 Red Hat Ceph RADOS Gateway 安全漏洞
CVE-2017-17752 Code-Crafters Ability Mail Server 跨站脚本漏洞

Showing top 20 of 57 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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