Vulnerability Details : CVE-2023-4256
Potential exploit
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2023-4256
- cpe:2.3:a:broadcom:tcpreplay:4.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:broadcom:tcpreplay:4.4.4:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4256
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4256
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-01-03 |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
Red Hat, Inc. |
CWE ids for CVE-2023-4256
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-4256
-
https://github.com/appneta/tcpreplay/issues/813
[Bug] Double free in tcpedit_dlt_cleanup in tcprewrite · Issue #813 · appneta/tcpreplay · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/
[SECURITY] Fedora 39 Update: tcpreplay-4.4.4-5.fc39 - package-announce - Fedora Mailing-Lists
-
https://bugzilla.redhat.com/show_bug.cgi?id=2255212
2255212 – (CVE-2023-4256) CVE-2023-4256 tcpreplay: tcprewrite: double free in tcpedit_dlt_cleanup() in plugins/dlt_plugins.cExploit;Issue Tracking;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/
[SECURITY] Fedora 38 Update: tcpreplay-4.4.4-5.fc38 - package-announce - Fedora Mailing-Lists
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/
[SECURITY] Fedora 40 Update: tcpreplay-4.4.4-5.fc40 - package-announce - Fedora Mailing-Lists
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