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debianDebianDEBIAN:DLA-2495-1:A5479
HistoryDec 16, 2020 - 5:28 p.m.

[SECURITY] [DLA 2495-1] tomcat8 security update

2020-12-1617:28:07
lists.debian.org
28

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.6%


Debian LTS Advisory DLA-2495-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
December 16, 2020 https://wiki.debian.org/LTS


Package : tomcat8
Version : 8.5.54-0+deb9u5
CVE ID : CVE-2020-17527

It was discovered that Apache Tomcat from 8.5.0 to 8.5.59 could
re-use an HTTP request header value from the previous stream
received on an HTTP/2 connection for the request associated with
the subsequent stream. While this would most likely lead to an
error and the closure of the HTTP/2 connection, it is possible
that information could leak between requests.

For Debian 9 stretch, this problem has been fixed in version
8.5.54-0+deb9u5.

We recommend that you upgrade your tomcat8 packages.

For the detailed security status of tomcat8 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tomcat8

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

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

69.6%