Vulnerability Name:

CVE-2018-8040 (CCN-149088)

Assigned:2018-08-28
Published:2018-08-28
Updated:2019-10-03
Summary:Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.
CVSS v3 Severity:5.3 Medium (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 (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
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:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
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-668
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-8040

Source: CCN
Type: oss-sec Mailing List, Tue, 28 Aug 2018 15:39:51 -0700
[ANNOUNCE] Apache Traffic Server vulnerability with header variable access in the ESI plugin - CVE-2018-8040

Source: CCN
Type: oss-sec Mailing List, Tue, 28 Aug 2018 17:17:01 -0700
Re: [ANNOUNCE] Apache Traffic Server vulnerability with header variable access in the ESI plugin - CVE-2018-8040

Source: CCN
Type: Apache Web site
Traffic Server

Source: BID
Type: Third Party Advisory, VDB Entry
105181

Source: CCN
Type: BID-105181
Apache Traffic Server CVE-2018-8040 Security Bypass Vulnerabilty

Source: XF
Type: UNKNOWN
apache-traffic-cve20188040-sec-bypass(149088)

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/apache/trafficserver/pull/3926

Source: MLIST
Type: Mailing List, Vendor Advisory
[trafficserver-users] 20180828 Re: [ANNOUNCE] Apache Traffic Server vulnerability with header variable access in the ESI plugin - CVE-2018-8040

Source: MLIST
Type: Mailing List, Mitigation, Vendor Advisory
[trafficserver-users] 20180828 [ANNOUNCE] Apache Traffic Server vulnerability with header variable access in the ESI plugin - CVE-2018-8040

Source: DEBIAN
Type: Third Party Advisory
DSA-4282

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-8040

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 6.0.0 and <= 6.2.2)
  • OR cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.1.3)

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

    • 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:6.2.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201880400000000
    V
    		CVE-2018-8040 on Ubuntu 19.04 (disco) - medium.
    2018-08-29
    oval:com.ubuntu.bionic:def:20188040000
    V
    		CVE-2018-8040 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-08-29
    oval:com.ubuntu.cosmic:def:201880400000000
    V
    		CVE-2018-8040 on Ubuntu 18.10 (cosmic) - medium.
    2018-08-29
    oval:com.ubuntu.cosmic:def:20188040000
    V
    		CVE-2018-8040 on Ubuntu 18.10 (cosmic) - medium.
    2018-08-29
    oval:com.ubuntu.bionic:def:201880400000000
    V
    		CVE-2018-8040 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-08-29
    oval:com.ubuntu.trusty:def:20188040000
    V
    		CVE-2018-8040 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-08-29
    oval:com.ubuntu.xenial:def:201880400000000
    V
    		CVE-2018-8040 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-08-29
    oval:com.ubuntu.xenial:def:20188040000
    V
    		CVE-2018-8040 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-08-29
    BACK
    apache traffic server *
    apache traffic server *
    debian debian linux 9.0
    apache traffic server 6.0.0
    apache traffic server 7.0.0
    apache traffic server 6.2.2