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githubGitHub Advisory DatabaseGHSA-698C-2X4J-G9GQ
HistoryMay 14, 2022 - 1:10 a.m.

Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat

2022-05-1401:10:16
CWE-119
GitHub Advisory Database
github.com
20
apache tomcat
memory buffer
http/2
denial of service

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.025

Percentile

90.4%

The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.

Affected configurations

Vulners
Node
org.apache.tomcattomcatRange8.5.08.5.8
OR
org.apache.tomcattomcatRange9.0.0.M19.0.0.M11
VendorProductVersionCPE
org.apache.tomcattomcat*cpe:2.3:a:org.apache.tomcat:tomcat:*:*:*:*:*:*:*:*

References

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.025

Percentile

90.4%