Apache Traffic Server: Malformed http/2 frames can cause an abort
CVE-2023-39456

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Traffic Server
Vendor
CVE Published:
17 October 2023

What is CVE-2023-39456?

An improper input validation vulnerability exists in Apache Traffic Server, particularly affecting versions 9.0.0 through 9.2.2, when handling malformed HTTP/2 frames. This flaw can potentially lead to unexpected behavior or denial of service, impacting the stability and reliability of affected installations. It is strongly recommended that users upgrade to Apache Traffic Server version 9.2.3 to resolve this issue and enhance security.

Affected Version(s)

Apache Traffic Server 9.0.0 <= 9.2.2

References

https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhs...
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-ann...
https://lists.fedoraproject.org/archives/list/package-ann...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Akshat Parikh
.