Security Bulletin
Summary
IBM Security Guardium Insights has addressed the following vulnerabilities.
Vulnerability Details
CVEID: CVE-2019-16869
DESCRIPTION: Netty is vulnerable to HTTP request smuggling, caused by a flaw when handling unusual whitespaces before the colon in HTTP headers. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/167672 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
CVEID: CVE-2019-20444
DESCRIPTION: Netty is vulnerable to HTTP request smuggling, caused by a flaw in the HttpObjectDecoder.java. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175487 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
CVEID: CVE-2019-20445
DESCRIPTION: Netty could provide weaker than expected security, caused by non-proper handling of Content-Length and Transfer-Encoding in the HttpObjectDecoder.java. A remote attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175486 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
CVEID: CVE-2020-11612
DESCRIPTION: Netty is vulnerable to a denial of service, caused by unbounded memory allocation while decoding a ZlibEncoded byte stream in the ZlibDecoders. By sending a large ZlibEncoded byte stream, a remote attacker could exploit this vulnerability to exhaust memory resources.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/180530 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Security Guardium Insights | 2.0.1 |
Remediation/Fixes
|
Product
|
VRMF
|
Remediation / First Fix
|
| IBM Security Guardium Insights | 2.0.1 | https://www.ibm.com/software/passportadvantage/?mhsrc=ibmsearch_a&mhq=pasport%20advantage |
Workarounds and Mitigations
None
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References
Acknowledgement
John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Kamil Sarbinowski, Vince Dragnea, Troy Fisher and Elaheh Samani from IBM X-Force Ethical Hacking Team.
Change History
20 Aug 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
06 October 2021
Initial Publish date:
20 August 2020
UID
ibm16320057