CVE-2013-0238

Public Exploit

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 39.23% Top 5%
Vendor Advisory debian.org Vendor Advisory mandriva.com Vendor Advisory secunia.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2013/dsa-2618 vendor advisory
http://secunia.com/advisories/52106 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2013/01/29/8 mailing list
http://www.mandriva.com/security/advisories?name=MDVSA-2013:093 vendor advisory
http://www.securityfocus.com/bid/57610 vdb entry
http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
http://secunia.com/advisories/51948 third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/81695 vdb entry
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
http://osvdb.org/89623 vdb entry
http://www.exploit-db.com/exploits/24951 exploit
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267

Frequently Asked Questions

What is the severity of CVE-2013-0238?
CVE-2013-0238 has been scored as a medium severity vulnerability.
How to fix CVE-2013-0238?
To fix CVE-2013-0238, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-0238 being actively exploited in the wild?
It is possible that CVE-2013-0238 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~39% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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