CVE-2019-16785

Waitress through version 1.3.1 implemented a "MAY" part of the RFC7230 which states: "Although the line terminator for the start-line and header fields is the sequence CRLF, a recipient MAY recognize a single LF as a line terminator and ignore any preceding CR." Unfortunately if a front-end server does not parse header fields with an LF the same way as it does those with a CRLF it can lead to the front-end and the back-end server parsing the same HTTP message in two different ways. This can lead to a potential for HTTP request smuggling/splitting whereby Waitress may see two requests while the front-end server only sees a single HTTP message. This issue is fixed in Waitress 1.4.0.
References
Link Resource
https://access.redhat.com/errata/RHSA-2020:0720 Third Party Advisory
https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes Vendor Advisory
https://github.com/Pylons/waitress/commit/8eba394ad75deaf9e5cd15b78a3d16b12e6b0eba Patch Third Party Advisory
https://github.com/Pylons/waitress/security/advisories/GHSA-pg36-wpm5-g57p Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0720 Third Party Advisory
https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes Vendor Advisory
https://github.com/Pylons/waitress/commit/8eba394ad75deaf9e5cd15b78a3d16b12e6b0eba Patch Third Party Advisory
https://github.com/Pylons/waitress/security/advisories/GHSA-pg36-wpm5-g57p Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:agendaless:waitress:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

Configuration 5 (hide)

cpe:2.3:a:redhat:openstack:15:*:*:*:*:*:*:*

History

21 Nov 2024, 04:31

Type Values Removed Values Added
References () https://access.redhat.com/errata/RHSA-2020:0720 - Third Party Advisory () https://access.redhat.com/errata/RHSA-2020:0720 - Third Party Advisory
References () https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes - Vendor Advisory () https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixes - Vendor Advisory
References () https://github.com/Pylons/waitress/commit/8eba394ad75deaf9e5cd15b78a3d16b12e6b0eba - Patch, Third Party Advisory () https://github.com/Pylons/waitress/commit/8eba394ad75deaf9e5cd15b78a3d16b12e6b0eba - Patch, Third Party Advisory
References () https://github.com/Pylons/waitress/security/advisories/GHSA-pg36-wpm5-g57p - Exploit, Third Party Advisory () https://github.com/Pylons/waitress/security/advisories/GHSA-pg36-wpm5-g57p - Exploit, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2022/05/msg00011.html - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/ -
References () https://www.oracle.com/security-alerts/cpuapr2022.html - Patch, Third Party Advisory () https://www.oracle.com/security-alerts/cpuapr2022.html - Patch, Third Party Advisory
CVSS v2 : 5.0
v3 : 7.5
v2 : 5.0
v3 : 7.1

07 Nov 2023, 03:05

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/', 'name': 'FEDORA-2020-bdcc8ffc24', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/', 'name': 'FEDORA-2020-65a7744e38', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYEOTGWJZVKPRXX2HBNVIYWCX73QYPM5/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GVDHR2DNKCNQ7YQXISJ45NT4IQDX3LJ7/ -

Information

Published : 2019-12-20 23:15

Updated : 2024-11-21 04:31


NVD link : CVE-2019-16785

Mitre link : CVE-2019-16785

CVE.ORG link : CVE-2019-16785


JSON object : View

Products Affected

redhat

  • openstack

oracle

  • communications_cloud_native_core_network_function_cloud_native_environment

debian

  • debian_linux

agendaless

  • waitress

fedoraproject

  • fedora
CWE
CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')