Upstream information

CVE-2023-4256 at MITRE

Description

Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 5.5
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1218249 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP6
  • tcpreplay >= 4.5.2-bp156.2.3.1
 Patchnames:
openSUSE-2025-439
openSUSE Leap 15.6
  • tcpreplay >= 4.5.2-bp156.2.3.1
 Patchnames:
openSUSE-2025-439
openSUSE Leap 16.0
  • tcpreplay >= 4.5.2-bp160.1.1
 Patchnames:
openSUSE-Leap-16.0-packagehub-35

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Package Hub 15 SP6 tcpreplay Released

SUSE Timeline for this CVE

CVE page created: Tue Dec 19 13:00:13 2023
CVE page last modified: Thu Dec 11 17:19:18 2025