Medium severity · published Dec 21, 2023
CVE-2023-4256
Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EP
Extra Packages For Enterprise Linux · Fedoraproject
8.0 · source: NVD
FE
Fedora · Fedoraproject
39 · source: NVD
TC
Tcpreplay · Broadcom
4.4.3; 4.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4256
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4256
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=2255212
Exploit
https://github.com/appneta/tcpreplay/issues/813
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EHUILQV2YJI5TXXXJA5FQ2HJQGFT7NTN/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMW5CIODKRHUUH7NTAYIRWGSJ56DTGXM/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3GYCHPVJ2VFN3D7FI4IRMDVMILLWBRF/
More from Tcpreplay
9.8
CVE-2018-18408
A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1
9.1
CVE-2020-12740
tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation
7.8
CVE-2025-51006
Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the dlt_linuxsll2_cleanup() function in plugins/dlt_linuxsll2/linuxsll2.c
7.8
CVE-2024-3024
A vulnerability was found in appneta tcpreplay up to 4.4.4
7.8
CVE-2022-37049
The component tcpprep in Tcpreplay v4.4.1 was discovered to contain a heap-based buffer overflow in parse_mpls at common/get.c:150