What is the vulnerability ID for this vulnerability?

The vulnerability ID is CVE-2022-31778.

What is the severity of CVE-2022-31778?

The severity of CVE-2022-31778 is high with a score of 7.5.

How does CVE-2022-31778 affect Apache Traffic Server?

CVE-2022-31778 affects Apache Traffic Server versions 8.0.0 to 9.0.2.

How can an attacker exploit CVE-2022-31778?

An attacker can exploit CVE-2022-31778 by poisoning the cache through improper input validation in handling the Transfer-Encoding header of Apache Traffic Server.

How can I fix CVE-2022-31778?

To fix CVE-2022-31778, update Apache Traffic Server to versions 8.1.7 or 9.2.2 or higher.

Vulnerability/
CVE-2022-31778

high

7.5

CWE

10/8/2022

3/8/2024

CVE-2022-31778: Transfer-Encoding not treated as hop-by-hop

First published: Wed Aug 10 2022(Updated: )

Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.

Credit: security@apache.org

Affected Software	Affected Version	How to fix
debian/trafficserver	<=8.0.2+ds-1+deb10u6	8.1.7-0+deb10u2 8.1.7+ds-1~deb11u1 9.2.0+ds-2+deb12u1 9.2.2+ds-1
Apache Traffic Server	>=8.0.0<=8.1.4
Apache Traffic Server	>=9.0.0<=9.1.2
Debian Debian Linux	=11.0

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Frequently Asked Questions

What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2022-31778.
What is the severity of CVE-2022-31778?
The severity of CVE-2022-31778 is high with a score of 7.5.
How does CVE-2022-31778 affect Apache Traffic Server?
CVE-2022-31778 affects Apache Traffic Server versions 8.0.0 to 9.0.2.
How can an attacker exploit CVE-2022-31778?
An attacker can exploit CVE-2022-31778 by poisoning the cache through improper input validation in handling the Transfer-Encoding header of Apache Traffic Server.
How can I fix CVE-2022-31778?
To fix CVE-2022-31778, update Apache Traffic Server to versions 8.1.7 or 9.2.2 or higher.

collector/security-tracker-debian
collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/title
agent/last-modified-date
agent/author
agent/severity
agent/weakness
agent/tags
agent/first-publish-date
agent/description
agent/event
package-manager/debian
vendor/apache
canonical/apache traffic server
version/apache traffic server/8.0.0
version/apache traffic server/8.1.4
version/apache traffic server/9.0.0
version/apache traffic server/9.1.2
vendor/debian
canonical/debian debian linux
version/debian debian linux/11.0

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