Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2023-27786

NULL Pointer Dereference

Published: Mar 16, 2023 | Modified: Feb 26, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-27786
CWEhttps://cwe.mitre.org/data/definitions/476.html

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the macinstring function.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
TcpreplayBroadcom4.4.3 (including)4.4.3 (including)
TcpreplayUbuntubionic*
TcpreplayUbuntuesm-apps/bionic*
TcpreplayUbuntuesm-apps/focal*
TcpreplayUbuntuesm-apps/jammy*
TcpreplayUbuntuesm-apps/xenial*
TcpreplayUbuntufocal*
TcpreplayUbuntujammy*
TcpreplayUbuntukinetic*
TcpreplayUbuntulunar*
TcpreplayUbuntumantic*
TcpreplayUbuntutrusty*
TcpreplayUbuntuupstream*
TcpreplayUbuntuxenial*

Potential Mitigations

References

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