Vulnerability Name:

CVE-2020-14190 (CCN-192401)

Assigned:2020-11-18
Published:2020-11-18
Updated:2021-07-21
Summary:Affected versions of Atlassian Fisheye/Crucible allow remote attackers to achieve Regex Denial of Service via user-supplied regex in EyeQL. The affected versions are before version 4.8.4.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-862
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-14190

Source: XF
Type: UNKNOWN
atlassian-cve202014190-dos(192401)

Source: CCN
Type: CRUC-8498
A user-supplied regex in EyeQL causes ReDoS - CVE-2020-14190

Source: MISC
Type: Issue Tracking, Patch, Vendor Advisory
https://jira.atlassian.com/browse/CRUC-8498

Source: MISC
Type: Issue Tracking, Patch, Vendor Advisory
https://jira.atlassian.com/browse/FE-7336

Vulnerable Configuration:Configuration 1:
  • cpe:/a:atlassian:crucible:*:*:*:*:*:*:*:* (Version < 4.8.4)
  • OR cpe:/a:atlassian:fisheye:*:*:*:*:*:*:*:* (Version < 4.8.4)

    • Configuration CCN 1:
  • cpe:/a:atlassian:crucible:*:*:*:*:*:*:*:*
  • OR cpe:/a:atlassian:fisheye:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    atlassian crucible *
    atlassian fisheye *
    atlassian crucible *
    atlassian fisheye *