CVE-2025-9385appneta tcpreplay tcprewrite edit_packet.c fix_ipv6_checksums use after free

Description

A flaw has been found in appneta tcpreplay up to 4.5.1. The affected element is the function fix_ipv6_checksums of the file edit_packet.c of the component tcprewrite. This manipulation causes use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version 4.5.2-beta3 is sufficient to fix this issue. It is advisable to upgrade the affected component.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• VDB-321218 | appneta tcpreplay tcprewrite edit_packet.c fix_ipv6_checksums use after free vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
• VDB-321218 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-requiredPermissions RequiredVDB Entry
• Submit #630497 | tcpreplay tcprewrite tcpreplay version 6fcbf03 (the newest master in https://github.com/appneta/tcpreplay) Use-After-Free third-party-advisoryThird Party AdvisoryVDB Entry
• https://github.com/appneta/tcpreplay/issues/972 issue-trackingExploitIssue TrackingVendor Advisory
• https://github.com/appneta/tcpreplay/issues/972#issuecomment-3199019278 issue-trackingIssue Tracking
• https://drive.google.com/file/d/1BQZF558bRHv07wtlCoZgtqTlEpHgfytp/view?usp=sharing exploitExploit