Vulnerability Name:

CVE-2017-5188 (CCN-139859)

Assigned:2017-03-17
Published:2017-03-17
Updated:2019-10-09
Summary: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.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-59
CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-5188

Source: CCN
Type: Bugzilla – Bug 1029824
VUL-0: CVE-2017-5188: open-build-service: worker VM escape via relative symbolic links

Source: CONFIRM
Type: Issue Tracking
https://bugzilla.suse.com/show_bug.cgi?id=1029824

Source: XF
Type: UNKNOWN
suse-cve20175188-info-disc(139859)

Source: CCN
Type: open-build-service GIT Repository
open-build-service

Source: CONFIRM
Type: Patch
https://github.com/openSUSE/open-build-service/commit/ba27c91351878bc297ec4baba0bd488a2f3b568d

Source: CONFIRM
Type: Vendor Advisory
https://www.suse.com/de-de/security/cve/CVE-2017-5188/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:opensuse:open_build_service:*:*:*:*:*:*:*:* (Version <= 2.7.3)

    • * Denotes that component is vulnerable
    BACK
    opensuse open build service *