CVE-2023-4256: Tcpreplay: tcprewrite: double free in tcpedit_dlt_cleanup() in plugins/dlt_plugins.c
First published: Tue Dec 19 2023(Updated: )
Last updated 28 January 2025
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/tcpreplay | <=4.3.3-2<=4.4.3-1 | 4.5.1-1 |
| Tcpreplay | =4.4.3 | |
| Tcpreplay | =4.4.4 | |
| Fedora EPEL | =8.0 | |
| Red Hat Fedora | =39 |
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Reference Links
- https://github.com/appneta/tcpreplay/issues/813
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2255213
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2255214
- https://bugzilla.redhat.com/show_bug.cgi?id=2255212
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4256
- https://nvd.nist.gov/vuln/detail/CVE-2023-4256
- https://launchpad.net/bugs/cve/CVE-2023-4256
- https://security-tracker.debian.org/tracker/CVE-2023-4256
- https://ubuntu.com/security/CVE-2023-4256
- https://github.com/appneta/tcpreplay/pull/855
- https://github.com/appneta/tcpreplay/pull/866
- https://github.com/appneta/tcpreplay/commit/d00951bca056cd50c3e85d1ce8a66ae68be15710
- https://github.com/appneta/tcpreplay/commit/84dee5ed840d3ee6aa395d4bd8cc5dcb06484ebe
Frequently Asked Questions
What is the severity of CVE-2023-4256?
CVE-2023-4256 is categorized as a potential Denial of Service vulnerability.
How do I fix CVE-2023-4256?
To fix CVE-2023-4256, upgrade to tcpreplay version 4.5.1-1 or higher.
What versions of tcpreplay are affected by CVE-2023-4256?
CVE-2023-4256 affects tcpreplay versions 4.4.3 and 4.4.4.
Can CVE-2023-4256 be triggered remotely?
No, CVE-2023-4256 can only be triggered by a local attacker with a crafted file.
What software is impacted by CVE-2023-4256?
CVE-2023-4256 impacts various packages of tcpreplay across different distributions including Debian and Fedora.
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