Vulnerability Name:

CVE-2020-1768 (CCN-175961)

Assigned:2019-11-29
Published:2020-02-07
Updated:2020-02-11
Summary:The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L/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): Low
Integrity (I): None
Availibility (A): Low
5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L)
4.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L/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): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-613
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-1768

Source: XF
Type: UNKNOWN
otrs-cve20201768-weak-security(175961)

Source: CCN
Type: OTRS Security Advisory 2020-04
OTRS

Source: CONFIRM
Type: Vendor Advisory
https://otrs.com/release-notes/otrs-security-advisory-2020-04/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:otrs:otrs:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.0.14)

    • Configuration CCN 1:
  • cpe:/a:otrs:otrs:7.0.14:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:202017680000000
    V
    		CVE-2020-1768 on Ubuntu 18.04 LTS (bionic) - low.
    2020-02-07
    oval:com.ubuntu.xenial:def:202017680000000
    V
    		CVE-2020-1768 on Ubuntu 16.04 LTS (xenial) - low.
    2020-02-07
    BACK
    otrs otrs *
    otrs otrs 7.0.14