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CVE-2017-8843

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.

lrzip（Long Range ZIP）是一款开源的压缩实用程序，适用于大文件的压缩。 lrzip 0.631版本中的liblrzip.so的stream.c文件的‘join_pthread’函数存在安全漏洞。远程攻击者可借助特制的归档文件利用该漏洞造成拒绝服务（空指针逆向引用和应用程序崩溃）。

AI Predicted 7.5 Difficulty: Easy EPSS 1.38% · P71

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service
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I. Basic Information for CVE-2017-8843

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The join_pthread function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.
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
lrzip 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lrzip（Long Range ZIP）是一款开源的压缩实用程序，适用于大文件的压缩。 lrzip 0.631版本中的liblrzip.so的stream.c文件的‘join_pthread’函数存在安全漏洞。远程攻击者可借助特制的归档文件利用该漏洞造成拒绝服务（空指针逆向引用和应用程序崩溃）。
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-2017-8843

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III. Intelligence Information for CVE-2017-8843

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Vendor Advisories for CVE-2017-8843 (1)

Other References for CVE-2017-8843 (2)

Same Patch Batch · n/a · 2017-05-08 · 18 CVEs total

CVE-2017-8845 lrzip LZO 安全漏洞
CVE-2017-4982 EMC Mainframe Enablers ResourcePak Base 安全漏洞
CVE-2016-10369 lxterminal 安全漏洞
CVE-2017-8848 Allen Disk 跨站请求伪造漏洞
CVE-2017-6953 Gemalto SmartDiag Diagnosis Tool 缓冲区错误漏洞
CVE-2017-6051 BLF-Tech LLC VisualView HMI 安全漏洞
CVE-2017-8825 MailCore和MailCore 2 LibEtPan MIME处理组件安全漏洞
CVE-2017-8847 lrzip 安全漏洞
CVE-2017-8846 lrzip 安全漏洞
CVE-2017-8827 MetalGenix GeniXCMS 安全漏洞
CVE-2017-8844 lrzip 缓冲区错误漏洞
CVE-2017-8842 lrzip 安全漏洞
CVE-2017-8833 Zen Cart 跨站脚本漏洞
CVE-2017-8832 Allen Disk 跨站脚本漏洞
CVE-2017-8831 Linux kernel 安全漏洞
CVE-2017-8830 ImageMagick 安全漏洞
CVE-2017-8829 Debian lintian 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2017-8843

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