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HistoryOct 16, 2023 - 10:23 p.m.

[SECURITY] [DLA 3617-2] tomcat9 regression update

2023-10-1622:23:23
lists.debian.org
10

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.72 High

EPSS

Percentile

98.0%


Debian LTS Advisory DLA-3617-2 [email protected]
https://www.debian.org/lts/security/ Markus Koschany
October 17, 2023 https://wiki.debian.org/LTS

Package : tomcat9
Version : 9.0.31-1~deb10u10
CVE ID : CVE-2023-44487

A regression was discovered in the Http2UpgradeHandler class of Tomcat 9
introduced by the patch to fix CVE-2023-44487 (Rapid Reset Attack). A wrong
value for the overheadcount variable forced HTTP2 connections to close early.

For Debian 10 buster, this problem has been fixed in version
9.0.31-1~deb10u10.

We recommend that you upgrade your tomcat9 packages.

For the detailed security status of tomcat9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tomcat9

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
Attachment:
signature.asc
Description: This is a digitally signed message part

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.72 High

EPSS

Percentile

98.0%