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Stack-based buffer overflow in the cons_options function...

High severity Unreviewed Published May 1, 2022 to the GitHub Advisory Database • Updated Jan 31, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Stack-based buffer overflow in the cons_options function in options.c in dhcpd in OpenBSD 4.0 through 4.2, and some other dhcpd implementations based on ISC dhcp-2, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a DHCP request specifying a maximum message size smaller than the minimum IP MTU.

References

Published by the National Vulnerability Database Oct 11, 2007
Published to the GitHub Advisory Database May 1, 2022
Last updated Jan 31, 2023

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(97th percentile)

Weaknesses

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Learn more on MITRE.

CVE ID

CVE-2007-5365

GHSA ID

GHSA-q79j-j4r9-8grp

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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