Vulnerability Name:

CVE-2020-11724 (CCN-180301)

Assigned:2020-03-25
Published:2020-03-25
Updated:2021-01-29
Summary:An issue was discovered in OpenResty before 1.15.8.4. ngx_http_lua_subrequest.c allows HTTP request smuggling, as demonstrated by the ngx.location.capture API.
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:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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): High
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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): Low
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
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-444
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-11724

Source: XF
Type: UNKNOWN
openresty-cve202011724-request-smuggling(180301)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/openresty/lua-nginx-module/commit/9ab38e8ee35fc08a57636b1b6190dca70b0076fa

Source: CCN
Type: OpenResty GIT Repository
ngx_http_lua-0.10.15-fix_location_capture_content_length_chunked.patch

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/openresty/openresty/blob/4e8b4c395f842a078e429c80dd063b2323999957/patches/ngx_http_lua-0.10.15-fix_location_capture_content_length_chunked.patch

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20200720 [SECURITY] [DLA 2283-1] nginx security update

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0002/

Source: DEBIAN
Type: Third Party Advisory
DSA-4750

Vulnerable Configuration:Configuration 1:
  • cpe:/a:openresty:openresty:*:*:*:*:*:*:*:* (Version < 1.15.8.4)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    openresty openresty *
    debian debian linux 9.0
    debian debian linux 10.0