Vulnerability Name:

CVE-2022-21949 (CCN-225628)

Assigned:2021-12-16
Published:2022-04-01
Updated:2022-05-10
Summary:A Improper Restriction of XML External Entity Reference vulnerability in SUSE Open Build Service allows remote attackers to reference external entities in certain operations. This can be used to gain information from the server that can be abused to escalate to Admin privileges on OBS. This issue affects: SUSE Open Build Service Open Build Service versions prior to 2.10.13.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/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): High
Availibility (A): High
CVSS v2 Severity:9.0 High (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-611
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-21949

Source: CCN
Type: Bugzilla - Bug 1197928
(CVE-2022-21949) VUL-0: CVE-2022-21949: obs-server: Multiple XXE vulnerabilities in OBS

Source: CONFIRM
Type: Issue Tracking, Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1197928

Source: XF
Type: UNKNOWN
openbuild-cve202221949-xxe(225628)

Source: CCN
Type: Open Build Service GIT Repository
Release 2.10.13 #12455

Vulnerable Configuration:Configuration 1:
  • cpe:/a:opensuse:open_build_service:*:*:*:*:*:*:*:* (Version < 2.10.13)

    • Configuration CCN 1:
  • cpe:/a:opensuse:open_build_service:2.10.1:*:*:*:*:*:*:*
  • OR cpe:/a:opensuse:open_build_service:2.10.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    opensuse open build service *
    opensuse open build service 2.10.1
    opensuse open build service 2.10.0