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Vulnerability · Published Oct 17, 2023 · Assigned by apache

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

High 7.5

In plain English

A high-severity improper input validation in Apache Traffic Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 58.3% (higher than 99.1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)58.3%top 0.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.21trafficserver99.2.3-r0ALPINE-CVE-2023-39456
Alpine:v3.22trafficserver99.2.3-r0ALPINE-CVE-2023-39456
Alpine:v3.23trafficserver99.2.3-r0ALPINE-CVE-2023-39456
Alpine:v3.24trafficserver99.2.3-r0ALPINE-CVE-2023-39456
Debian:12trafficserver9.2.3+ds-1+deb12u1DEBIAN-CVE-2023-39456

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Traffic Server 9.0.0 – through 9.2.2

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References