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The try_parse_v4_netmask function in hostmask.c in IRCD...

Moderate severity Unreviewed Published May 5, 2022 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

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Affected versions

Unknown

Patched versions

Unknown

Description

The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.

References

Published by the National Vulnerability Database Feb 13, 2013
Published to the GitHub Advisory Database May 5, 2022
Last updated Feb 1, 2023

Severity

Moderate

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 Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Learn more on MITRE.

CVE ID

CVE-2013-0238

GHSA ID

GHSA-9gxx-9pxw-xjp7

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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