Vulnerability Name:

CVE-2018-11783 (CCN-156957)

Assigned:2018-06-05
Published:2019-02-12
Updated:2019-03-18
Summary:sslheaders plugin extracts information from the client certificate and sets headers in the request based on the configuration of the plugin. The plugin doesn't strip the headers from the request in some scenarios. This problem was discovered in versions 6.0.0 to 6.0.3, 7.0.0 to 7.1.5, and 8.0.0 to 8.0.1.
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:N/I:L/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:N/I:L/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): None
Integrity (I): Low
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:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-11783

Source: CCN
Type: Apache Web site
Traffic Server

Source: BID
Type: Third Party Advisory
107032

Source: XF
Type: UNKNOWN
apache-cve201811783-unspecified(156957)

Source: CCN
Type: trafficserver GIT Repository
Make sslheaders plugin better conform to documentation. #4701

Source: MLIST
Type: Mailing List, Third Party Advisory
[trafficserver-announce] 20190212 [ANNOUNCE] Apache Traffic Server vulnerability with sslheader plugin

Source: CCN
Type: oss-sec Mailing List, Tue, 12 Feb 2019 15:42:35 -0800
[CVE-2018-11783] Apache Traffic Server vulnerability with sslheader plugin

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-11783

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 6.0.0 and <= 6.0.3)
  • OR cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.1.5)
  • OR cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 8.0.0 and <= 8.0.1)

    • Configuration CCN 1:
  • cpe:/a:apache:traffic_server:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:7.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:6.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:7.1.5:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:8.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2018117830000000
    V
    		CVE-2018-11783 on Ubuntu 19.04 (disco) - medium.
    2019-03-07
    oval:com.ubuntu.bionic:def:201811783000
    V
    		CVE-2018-11783 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-03-07
    oval:com.ubuntu.cosmic:def:2018117830000000
    V
    		CVE-2018-11783 on Ubuntu 18.10 (cosmic) - medium.
    2019-03-07
    oval:com.ubuntu.cosmic:def:201811783000
    V
    		CVE-2018-11783 on Ubuntu 18.10 (cosmic) - medium.
    2019-03-07
    oval:com.ubuntu.bionic:def:2018117830000000
    V
    		CVE-2018-11783 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-03-07
    oval:com.ubuntu.trusty:def:201811783000
    V
    		CVE-2018-11783 on Ubuntu 14.04 LTS (trusty) - medium.
    2019-03-07
    oval:com.ubuntu.xenial:def:2018117830000000
    V
    		CVE-2018-11783 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-03-07
    oval:com.ubuntu.xenial:def:201811783000
    V
    		CVE-2018-11783 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-03-07
    BACK
    apache traffic server *
    apache traffic server *
    apache traffic server *
    apache traffic server 6.0.0
    apache traffic server 7.0.0
    apache traffic server 6.2.3
    apache traffic server 7.1.5
    apache traffic server 8.0.0
    apache traffic server 8.0.1