Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / maven/io.netty/netty-codec-http/CVE-2019-20444
Advisory ID gitlab/maven/io.netty/netty-codec-http/CVE-2019-20444
Aliases CVE-2019-20444
GHSA-cqqj-4p63-rrmm
Summary HTTP Request Smuggling in Netty HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
Reference id Reference type URL
https://github.com/netty/netty
https://github.com/netty/netty/compare/netty-4.1.43.Final...netty-4.1.44.Final
https://github.com/netty/netty/issues/9866
https://github.com/netty/netty/pull/9871
https://github.com/netty/netty/pull/9871/files#diff-e26989b9171ef22c27c9f7d80689cfb059d568c9bd10e75970d96c02d0654878
https://github.com/poc-effectiveness/PoCAdaptation/tree/main/Adapted/CVE-2019-20444/5.0.0.Alpha1/exploit
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https://lists.debian.org/debian-lts-announce/2020/02/msg00017.html
https://lists.debian.org/debian-lts-announce/2020/02/msg00018.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00003.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TS6VX7OMXPDJIU5LRGUAHRK6MENAVJ46
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TS6VX7OMXPDJIU5LRGUAHRK6MENAVJ46
https://usn.ubuntu.com/4532-1
https://www.debian.org/security/2021/dsa-4885
CVE-2019-20444 https://nvd.nist.gov/vuln/detail/CVE-2019-20444
GHSA-cqqj-4p63-rrmm https://github.com/advisories/GHSA-cqqj-4p63-rrmm
r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E Mailing List https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
RHSA-2020:0497 https://access.redhat.com/errata/RHSA-2020:0497
RHSA-2020:0567 https://access.redhat.com/errata/RHSA-2020:0567
RHSA-2020:0601 https://access.redhat.com/errata/RHSA-2020:0601
RHSA-2020:0605 https://access.redhat.com/errata/RHSA-2020:0605
RHSA-2020:0606 https://access.redhat.com/errata/RHSA-2020:0606
RHSA-2020:0804 https://access.redhat.com/errata/RHSA-2020:0804
RHSA-2020:0805 https://access.redhat.com/errata/RHSA-2020:0805
RHSA-2020:0806 https://access.redhat.com/errata/RHSA-2020:0806
RHSA-2020:0811 https://access.redhat.com/errata/RHSA-2020:0811
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http/CVE-2019-20444.yml
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http/CVE-2019-20444.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.