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CVE-2013-0238

UnknownEPSS 9.96%

Last modified

CVE-2013-0238 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 9.96% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
9.96%

95.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Ircd-HybridIrcd-Hybrid<= 8.0.5
Ircd-HybridIrcd-Hybrid7.2.0
Ircd-HybridIrcd-Hybrid7.2.1
Ircd-HybridIrcd-Hybrid7.2.2
Ircd-HybridIrcd-Hybrid7.2.3
Ircd-HybridIrcd-Hybrid7.3.0
Ircd-HybridIrcd-Hybrid7.3.1
Ircd-HybridIrcd-Hybrid8.0.0
Ircd-HybridIrcd-Hybrid8.0.1
Ircd-HybridIrcd-Hybrid8.0.2
Ircd-HybridIrcd-Hybrid8.0.3
Ircd-HybridIrcd-Hybrid8.0.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-0238?
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.
How severe is CVE-2013-0238?
Severity scoring for CVE-2013-0238 is pending analysis. The EPSS model estimates a 9.96% probability of exploitation in the next 30 days.
How do I fix CVE-2013-0238?
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.

Are you affected by CVE-2013-0238?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST