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CVE-2017-7572

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.

Back In Time（又名backintime）是一套Linux备份工具。 Back In Time 1.1.18及之前的版本中的serviceHelper.py文件的‘_checkPolkitPrivilege’函数存在竞争条件漏洞。攻击者可利用该漏洞替换用户的请求进程。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.08% · P64

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2017-7572

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The _checkPolkitPrivilege function in serviceHelper.py in Back In Time (aka backintime) 1.1.18 and earlier uses a deprecated polkit authorization method (unix-process) that is subject to a race condition (time of check, time of use). With this authorization method, the owner of a process requesting a polkit operation is checked by polkitd via /proc/<pid>/status, by which time the requesting process may have been replaced by a different process with the same PID that has different privileges then the original requester.
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
Back In Time 竞争条件漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Back In Time（又名backintime）是一套Linux备份工具。 Back In Time 1.1.18及之前的版本中的serviceHelper.py文件的‘_checkPolkitPrivilege’函数存在竞争条件漏洞。攻击者可利用该漏洞替换用户的请求进程。
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-2017-7572

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III. Intelligence Information for CVE-2017-7572

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Patches & Fixes for CVE-2017-7572 (1)

Same Patch Batch · n/a · 2017-04-06 · 27 CVEs total

CVE-2016-10320 textract 操作系统命令注入漏洞
CVE-2016-1000307 ClipBucket 跨站脚本漏洞
CVE-2015-4673 ClipBucket 跨站脚本漏洞
CVE-2017-7576 DragonWave Horizon 安全漏洞
CVE-2017-7575 Schneider Electric Modicon TM221CE16R 安全漏洞
CVE-2017-7574 Schneider Electric SoMachine Basic和Schneider Electric Modicon TM221CE16R 安全漏洞
CVE-2016-6809 Apache Tika 安全漏洞
CVE-2015-8965 Rogue Wave JViews 权限许可和访问控制问题漏洞
CVE-2017-4964 Pivotal Software Cloud Foundry Foundation BOSH Azure CPI 代码注入漏洞
CVE-2017-3834 Cisco Aironet 1830 Series和Cisco Aironet 1850 Series Access Points Mobility Express Softwar
CVE-2017-3832 Cisco Wireless LAN Controller 权限许可和访问控制问题漏洞
CVE-2016-9219 Cisco Wireless LAN Controller 输入验证错误漏洞
CVE-2016-9194 Cisco Wireless LAN Controller 资源管理错误漏洞
CVE-2017-7452 ImageWorsener 安全漏洞
CVE-2017-7571 Faveo 跨站请求伪造漏洞
CVE-2017-7569 vBulletin 安全漏洞
CVE-2017-6884 Zyxel EMG2926家庭路由器命令注入漏洞
CVE-2017-7566 MyBB 安全漏洞
CVE-2017-7565 Splunk Hadoop Connect App 路径遍历漏洞
CVE-2017-7237 Spiceworks Inventory Spiceworks TFTP Server 安全漏洞

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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

V. Comments for CVE-2017-7572

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