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debianDebianDEBIAN:DSA-4885-1:31BC0
HistoryApr 05, 2021 - 7:06 p.m.

[SECURITY] [DSA 4885-1] netty security update

2021-04-0519:06:20
lists.debian.org
58
netty
cve
security update
http request smuggling
denial of service
information disclosure

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

AI Score

8

Confidence

High

EPSS

0.186

Percentile

96.3%


Debian Security Advisory DSA-4885-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
April 05, 2021 https://www.debian.org/security/faq


Package : netty
CVE ID : CVE-2019-20444 CVE-2019-20445 CVE-2020-7238 CVE-2020-11612
CVE-2021-21290 CVE-2021-21295 CVE-2021-21409

Multiple security issues were discovered in Netty, a Java NIO
client/server framework, which could result in HTTP request smuggling,
denial of service or information disclosure.

For the stable distribution (buster), these problems have been fixed in
version 1:4.1.33-1+deb10u2.

We recommend that you upgrade your netty packages.

For the detailed security status of netty please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/netty

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

AI Score

8

Confidence

High

EPSS

0.186

Percentile

96.3%