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.

Affected Version(s)

open build service < 20170320

References

https://github.com/openSUSE/open-build-service/commit/ba2...
x_refsource_CONFIRM
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
.