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CVE-2023-43279

MEDIUMCVSS 6.5/10EPSS 0.67%

Last modified

CVE-2023-43279 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay 4.4.4 allows attackers to crash the application via crafted tcprewrite command.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay 4.4.4 allows attackers to crash the application via crafted tcprewrite command.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability
0.67%

47.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
BroadcomTcpreplay4.4.4
FedoraprojectFedora38
FedoraprojectFedora39
FedoraprojectFedora40

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-43279?
Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay 4.4.4 allows attackers to crash the application via crafted tcprewrite command.
How severe is CVE-2023-43279?
CVE-2023-43279 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2023-43279?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST