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CVE-2017-9268— open-build-service retrigger / wipebinaries hitting the wrong project bypassing access permissions

Quick assessment

Affected
SUSE open build service
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.

open build service是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 open build service 201707022之前版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（资源消耗）。

AI Predicted 6.5 Difficulty: Easy EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1079
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I. Basic Information for CVE-2017-9268

Vulnerability Information
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Vulnerability Title
open-build-service retrigger / wipebinaries hitting the wrong project bypassing access permissions
Source: CVE Program / CVE List V5
Vulnerability Description
In the open build service before 201707022 the wipetrigger and rebuild actions checked the wrong project for permissions, allowing authenticated users to cause operations on projects where they did not have permissions leading to denial of service (resource consumption).
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
open build service 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
open build service是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 open build service 201707022之前版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（资源消耗）。
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
SUSE open build service unspecified ~ 20170722 git -

II. Public POCs for CVE-2017-9268

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III. Intelligence Information for CVE-2017-9268

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Patches & Fixes for CVE-2017-9268 (1)

Vendor Advisories for CVE-2017-9268 (1)

Same Patch Batch · SUSE · 2018-03-01 · 10 CVEs total

CVE-2017-14798 local privilege escalation in SUSE postgresql init script
CVE-2017-14804 package builds could use directory traversal to write outside of target area
CVE-2017-7435 libzypp accepts unsigned 3rd party repo without warning
CVE-2017-7436 libzypp accepts unsigned packages even when configured to check signatures
CVE-2017-9269 lack of keypinning in libzypp could lead to repository switching
CVE-2017-9270 post-auth arbitrary file write on cryptctl server
CVE-2017-9271 proxy credentials written to log files by zypper
CVE-2017-9274 osc executes spec code during "osc commit"
CVE-2017-9286 nextcloud package security issues with /srv/www/htdocs

IV. Related Vulnerabilities

Same product: open build service
Same vendor: SUSE

V. Comments for CVE-2017-9268

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