CVE-2023-27784: Null Pointer Dereference

Published Mar 16, 2023
·
Updated

An issue found in TCPReplay v.4.4.3 allows a remote attacker to cause a denial of service via the readhexstring function at the utils.c:309 endpoint.

Affected Software

2 affected componentsFixes available
debian/tcpreplay<=4.3.3-2, <=4.4.3-1
4.5.1-1
Broadcom Tcpreplay=4.4.3

Event History

Mar 16, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 28, 2025
Data Sourced
via Launchpad·05:57 PM
Description
Feb 1, 2025
Data Sourced
via Ubuntu·05:56 PM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is CVE-2023-27784?

CVE-2023-27784 is a vulnerability found in TCPReplay v.4.4.3 that allows a remote attacker to cause a denial of service.

2

How does the CVE-2023-27784 vulnerability work?

The CVE-2023-27784 vulnerability in TCPReplay v.4.4.3 is triggered by a remote attacker exploiting the read_hexstring function at the utils.c:309 endpoint, which results in a denial of service.

3

What is the severity of CVE-2023-27784?

The severity of CVE-2023-27784 is high, with a severity value of 7.5.

4

How can I fix the CVE-2023-27784 vulnerability?

To fix the CVE-2023-27784 vulnerability, update TCPReplay to version 4.4.4 or later.

5

Where can I find more information about CVE-2023-27784?

More information about CVE-2023-27784 can be found at the following references: [Reference 1](https://github.com/appneta/tcpreplay/issues/787), [Reference 2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R3ER3YTFR3XIDMYEB7LMFWFTPVQALBHC/), [Reference 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UE3J4LKYFNKPKNSLDQK4JG36THQMQH3V/)

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