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.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://vuldb.com/?id.321218 | technical description vdb entry |
| https://vuldb.com/?ctiid.321218 | signature permissions required |
| https://vuldb.com/?submit.630497 | third party advisory |
| https://github.com/appneta/tcpreplay/issues/972 | issue tracking |
| https://github.com/appneta/tcpreplay/issues/972#issuecomment-3199019278 | issue tracking |
| https://drive.google.com/file/d/1BQZF558bRHv07wtlCoZgtqTlEpHgfytp/view?usp=sharing | exploit |