Vulnerability Name:

CVE-2020-8021 (CCN-182199)

Assigned:2020-05-14
Published:2020-05-14
Updated:2021-03-15
Summary:a Improper Access Control vulnerability in of Open Build Service allows remote attackers to read files of an OBS package where the sourceaccess/access is disabled This issue affects: Open Build Service versions prior to 2.10.5.
CVSS v3 Severity:5.3 Medium (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 (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
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:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
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-269
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-8021

Source: CCN
Type: Bugzilla – Bug 1171649
(CVE-2020-8021) VUL-0: CVE-2020-8021: OBS: unauthorized read access to files where sourceaccess is disabled via a crafted _service file

Source: CONFIRM
Type: Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1171649

Source: XF
Type: UNKNOWN
openbuildservice-cve20208021-info-disc(182199)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20210203 [SECURITY] [DLA 2545-1] open-build-service security update

Source: CCN
Type: Open Build Service Web site
Open Build Service

Vulnerable Configuration:Configuration 1:
  • cpe:/a:opensuse:open_build_service:*:*:*:*:*:*:*:* (Version < 2.10.5)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    opensuse open build service *
    debian debian linux 9.0