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CVE-2018-1079

Quick assessment

Affected
unspecified pcs
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.

pcs是一套利用命令行和Web UI来配置和管理Pacemaker和Corosync（集群软件）的工具。 pcs 0.9.164之前版本和0.10之前版本中存在提权漏洞，该漏洞源于程序没有正确过滤/remote/put_file查询中的文件名。远程攻击者可利用该漏洞在pcsd进程的上下文中在/etc/booth目录之外使用任意数据创建或覆盖任意文件。

AI Predicted 7.8 Difficulty: Easy EPSS 1.06% · P63
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I. Basic Information for CVE-2018-1079

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
pcs before version 0.9.164 and 0.10 is vulnerable to a privilege escalation via authorized user malicious REST call. The REST interface of the pcsd service did not properly sanitize the file name from the /remote/put_file query. If the /etc/booth directory exists, an authenticated attacker with write permissions could create or overwrite arbitrary files with arbitrary data outside of the /etc/booth directory, in the context of the pcsd process.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对外部实体的文件或目录可访问
Source: CVE Program / CVE List V5
Vulnerability Title
pcs 权限许可和访问控制漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pcs是一套利用命令行和Web UI来配置和管理Pacemaker和Corosync（集群软件）的工具。 pcs 0.9.164之前版本和0.10之前版本中存在提权漏洞，该漏洞源于程序没有正确过滤/remote/put_file查询中的文件名。远程攻击者可利用该漏洞在pcsd进程的上下文中在/etc/booth目录之外使用任意数据创建或覆盖任意文件。
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
unspecified pcs pcs 0.9.164 -

II. Public POCs for CVE-2018-1079

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III. Intelligence Information for CVE-2018-1079

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Vendor Advisories for CVE-2018-1079 (2)

IV. Related Vulnerabilities

Same product: pcs
Same vendor: unspecified
Same weakness: CWE-552

V. Comments for CVE-2018-1079

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