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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ircd-Hybrid | Ircd-Hybrid | <= 8.0.5 |
| Ircd-Hybrid | Ircd-Hybrid | 7.2.0 |
| Ircd-Hybrid | Ircd-Hybrid | 7.2.1 |
| Ircd-Hybrid | Ircd-Hybrid | 7.2.2 |
| Ircd-Hybrid | Ircd-Hybrid | 7.2.3 |
| Ircd-Hybrid | Ircd-Hybrid | 7.3.0 |
| Ircd-Hybrid | Ircd-Hybrid | 7.3.1 |
| Ircd-Hybrid | Ircd-Hybrid | 8.0.0 |
| Ircd-Hybrid | Ircd-Hybrid | 8.0.1 |
| Ircd-Hybrid | Ircd-Hybrid | 8.0.2 |
| Ircd-Hybrid | Ircd-Hybrid | 8.0.3 |
| Ircd-Hybrid | Ircd-Hybrid | 8.0.4 |
References
- http://secunia.com/advisories/51948Vendor Advisory
- http://secunia.com/advisories/52106Vendor Advisory
- http://secunia.com/advisories/51948Vendor Advisory
- http://secunia.com/advisories/52106Vendor Advisory
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2013-0238?
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