Netty up to 4.1.41 Whitespace HTTP Request request smuggling
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Netty up to 4.1.41. This issue affects some unknown processing of the component Whitespace Handler. The manipulation as part of a HTTP Request leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent
(such as a proxy or firewall) in the data flow between two
entities such as a client and server, but it does not
interpret malformed HTTP requests or responses in ways that
are consistent with how the messages will be processed by
those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling.
The weakness was disclosed 09/26/2019 (Website). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2019-16869 since 09/25/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
Upgrading to version 4.1.42.Final eliminates this vulnerability.
Product
Name
Version
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.5
- 4.1.6
- 4.1.7
- 4.1.8
- 4.1.9
- 4.1.10
- 4.1.11
- 4.1.12
- 4.1.13
- 4.1.14
- 4.1.15
- 4.1.16
- 4.1.17
- 4.1.18
- 4.1.19
- 4.1.20
- 4.1.21
- 4.1.22
- 4.1.23
- 4.1.24
- 4.1.25
- 4.1.26
- 4.1.27
- 4.1.28
- 4.1.29
- 4.1.30
- 4.1.31
- 4.1.32
- 4.1.33
- 4.1.34
- 4.1.35
- 4.1.36
- 4.1.37
- 4.1.38
- 4.1.39
- 4.1.40
- 4.1.41
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Request smugglingCWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Netty 4.1.42.Final
Timeline
09/25/2019 🔍09/26/2019 🔍
09/27/2019 🔍
12/28/2023 🔍
Sources
Advisory: RHSA-2019:3892Status: Not defined
CVE: CVE-2019-16869 (🔍)
Entry
Created: 09/27/2019 14:32Updated: 12/28/2023 12:40
Changes: 09/27/2019 14:32 (55), 09/10/2020 14:23 (1), 12/28/2023 12:40 (4)
Complete: 🔍
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