OBS worker VM escape via relative symbolic links
CVE-2017-5188

5MEDIUM

Key Information:

Vendor

Opensuse
Status
Open Build Service
Vendor
CVE Published:
17 March 2017

What is CVE-2017-5188?

The bs_worker code in open build service before 20170320 followed relative symlinks, allowing reading of files outside of the package source directory during build, allowing leakage of private information.

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Deploy the Patch

Affected Version(s)

open build service < 20170320

References

https://github.com/openSUSE/open-build-service/commit/ba2...
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https://bugzilla.suse.com/show_bug.cgi?id=1029824
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https://www.suse.com/de-de/security/cve/CVE-2017-5188/
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CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fabian Vogt of SUSE
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